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  • needing storage integrity (write/read) test - for BASH

    - by Mr. Bash
    In need of shell scripts / bash commands to verify data integrity of local harddrives, usb-drives, etc, ... Like the famous www.heise.de/download/h2testw; or something that is at least common within repositories. (h2testw writes a specific datastring over and over onto the medium, then reads it again to verify if it was written correctly and displays write/read time/speed.) please no dd if=/dev/random of=/dev/sdx bs=1k && dd if=/dev/sdx of=/dev/null bs=1k since it won't verify if everything was written correctly. It is only a test if read/write is successful to the device. So far, I'm not too happy with badblocks -w -v /dev/sdx1 either, since it seems rather slow and I don't know what it exactly writes, and if it considers wear-leveling on flash media. There is also a program named F3 http://oss.digirati.com.br/f3/ that needs to be compiled. Designed after h2testw, the concept sounds interesting, i'd just rather have it as a ready to go bash script.

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  • Change the default route without affecting existing TCP connections

    - by Patrick Horn
    Let's say I have two public network addresses on my server: one NAT through an ISP (192.168.99.0/24), and a VPN through a different ISP (192.168.1.0/24), already configured with a per-host route to the VPN server through my ISP. Here is my initial routing table. I am currently routing through my ISP on subnet 192.168.99.0/24. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.99.1 0.0.0.0 UG 0 0 0 eth1 55.66.77.88 192.168.99.1 255.255.255.255 UGH 0 0 0 eth1 192.168.99.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 Now, I want new TCP connections to switch to my 192.168.1.0/24 so I type the following: $ route add -net 0.0.0.0 gw 192.168.1.1 dev tap0 When I do this, it causes some long-standing TCP connections to hang. Is there a way to I safely change the default interface for new connections, while allowing existing TCP connections to use the old route (i.e. do I need enable some sort of stateful routing table)? I am okay with a solution that only works with established TCP connections, and I don't care how hacky it is. For example, if there is a way to add temporary iptables rules for existing connections to force them over the old route. But there has to be some way to do this. EDIT: Just a note about a simple "route add -host ... " for existing connections: this solution would work if I am fine with leaving a subset of IPs on the old interface. However, in my application, this actually doesn't solve my problem because I want to allow new connections to come on the new interface even if they have the same source IP. I'm now looking at using the "ip route" command to set source-based routing rules.

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  • Send documents to printer without waiting for Vista to handle queue

    - by Greenleader
    I got a print server on our old printer. Vista has its own queue which presents a problem. I want to bypass this queue and send everything straight away to the printer so the print server deals with the queue and not Vista. Problem is when a second document is being printed from the same computer after first one. Vista is still waiting for info on finishing the first job even 5 minutes after it was REALLY finished. How do I get it so that I can send straight to the print server and not have Vista slow things down by trying to handle the queue itself?

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  • Windows 7 gadgets changing place when I move from dual monitor to a single one

    - by tsahilevi
    Hi, I am using Windows 7 on my laptop. At the office, I have a dual monitor setup through my docking station while at home or during meetings I use my laptop with its single monitor. Whenever I move between these two setups, Windows 7 plays with the location of the gadgets I have and I need to rearrange them each time. Is there a way to tell it to store these settings and locations (both gadgets and icons) so that it will remember their placement on the dual monitor setup and it will remember a different placement for the single monitor setup?

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  • Is it common to have portable hard drive not recognize?

    - by lamwaiman1988
    I have a bad hard drive which could not be recognized by windows. If windows can recognize it, it could just be pure luck. There are better chance of it being recognize by plugging it at the usb back of the machine, rather than the front one. More interestingly, I have a usb cable which fork itself at one side ( i.e it has 2 heads at one side ). I can plug both heads to the machine and connect the portable hard drive on the other end of the usb cable? Can I get more voltage by doing this? I am guessing the front usb port doesn't have enough power. I am wondering if I buy a new portable usb hard drive, would it have easy read by plugging at the front usb port? I am not sure if I screw up the jumper connecting the front usb ports, but it is okay for other device such as usb stick and mouse.

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  • Converting a bunch of MP3s to mono?

    - by Wil
    I have a bunch of stereo MP3s I'd like to convert to mono. What is the best way to do this? I would prefer something that would let be batch process them. I want to keep the quality as close to the original as possible. My files are also in different bitrates, so I don't want to make all files 320kpbs when some are only 128. Also, is there any quick way to see which files are stereo out of my entire library?

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  • Burning a Custom CD/DVD software Image

    - by Iceking007
    Hello I am trying to Burn a disk let me catch you up where I am at as I have a very SPECIFIC question and it may be difficult to explain but I will try to keep it simple: I have software already in an ISO file; I am using Daemon tools on a Windows based PC What I am wanting to do is create the actual Picture (not disk image file) that will show up on the Disk drive when I insert the disk Eg: if you put microsoft Office 11 in your comp. you open up My Computer to view all your HD and Disk drives you will see the image that microsoft put on the disk which is a silver CD and the Microsoft Office logo on the top corner. I would like to know how to edit my current ISO file or what I need to do in order to put "A PICTURE" or "AN ICON FILE" on the CD/DVD so that when I insert the disk into any PC it will show up with the PICTURE OR ICON file I chose and look proffessional. Thank you for your time

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  • Software available for singing "lessons" via computer microphone?

    - by drozzy
    Looking for a software to help my friend learn to sing. Can't seem to find anything on googles. Does there exist software (preferably downloadable and from this century!) that records one's voice and then analyzes it to see how "accurate" it was. It would be great if it also had some kind of "lessons" of some sort, and not simply sound recorder that shows waveforms. I can't imagine it would be so hard to implement, and there probably is one out there - I just can't find it. Any recommendations are welcome. Thanks.

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  • Changing the cell range of conditional formatting in LibreOffice Calc

    - by Simon Lundberg
    Is there any way of changing the range of conditional formatting in LibreOffice Calc (version 3.6)? I have a set applied already to a range of cells, but there is no obvious way of changing which cells a given set of conditional formatting is applied to. I either have to copy and paste the formatting, which results in multiple entries in the conditional formatting (which makes it difficult to manage), or delete the entire thing and create a new one every single time I want to change the range of cells. Is there a better way? link to screenshot

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  • Windows security unknown accounts: security breach?

    - by Keikoku
    I was uploading some images I had just created to imgur earlier today and noticed that chrome couldn't access my Pictures folder. Windows tells me access was denied. Firefox didn't have an issue though I went to it through windows explorer and it worked fine, and looked at the security tab under properties and noticed that there were four unknown accounts, one of which has full control privileges. I looked at my other folders in the same drive and none of them had these unknown accounts. It was only that specific Pictures folder, and all of its subfolders. What are these unknown accounts and what could it mean? Should I be worried that someone may have compromised the system (well, I should probably be worried about that all the time I guess) I read on microsoft support forums that it may be the result of a previously deleted account, but there has only been one account on this computer for months and no user account management has been performed for awhile.

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  • Everyone can access my Windows 7 Homegroup file shares - Even Windows XP computers

    - by Adrian Grigore
    I have 3 computers in my network, two running Windows 7 and one running Windows XP. I've set up a homegroup on both Windows 7 computers. Also, all computers are in the same Workgroup. The problem is that one of the Windows 7 computers makes all shares accessible to the entire Workgroup instead of just sharing to the Homegroup as it should be. I created the file share in Windows 7 via right-click in the explorer, then click on "Share For" - "Homegroup (Read/Write)" (translated from German, so the actual wording may be different). Also, when I look at the file sharing properties of that folder, Windows Explorer informs me that Users must have a valid account and password for this Computer to access drive shares. Unfortunately this is not true. Being in the same Workgroup is enough to get access. Homegroup restrictions work as expected on my other Windows 7 computer. When trying to browse those shares from the XP computer, I get a dialog asking for a login and password. What might cause homegroup restrictions to fail and how can I fix this?

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  • Cannot resize OS X partition

    - by joshhunt
    I am trying to resize my existing Mac OS Extended partition on my Macbook to install Windows 7 (using steps similar to these), but when ever I go to apply the changes, I get this error: Partition failed Partition failed with the error: The partition cannot be resized. Try reducing the amount of change in the size of the partition. The total capacity of the hard drive in question is 260GB, with the entirety being taken up by the OS X boot partition. There is I am aiming to shrink that partition down to 60GB. How can I fix this problem? I have been reducing the amount of change by 10GB each attempt, but it still is not working. I assume the problem is that there is not a large amount of continuous space on the device. Is there some way to can do a manual defrag that would rectify this problem?

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  • Windows XP boot: black screen with cursor after BIOS screen

    - by Radio
    Here is a weird one, Got computer with Windows XP. It's getting stuck on a black screen with cursor blinking. What did I do: - Boot from installation CD (recovery option - command line): chkdsk C: /R copy D:\i386\ntdetect.com c:\ copy D:\i386\ntldr c:\ fixmbr fixboot Chkdsk showed 0 bad sectors and no problems during scan. dir on C:\ shows all directories and files in place (Windows, Program Files, Documents and Settings). BIOS shows correct boot drive. Still does not boot. Not sure what to think of. Please help. UPDATE: Just performed these steps: Backed up current disk C: (without MBR) using True Image to external hard drive Ran Windows XP clean installation with deleting all partitions and creating new one. Hard drive booted fine into Windows GUI installation!!! Then: Interrupted installation. Booted from True Image recovery CD and restored archive of disk C to an new partition. Same issue with black screen.

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  • Software to aid using camera as a scanner

    - by xxzoid
    I want to digitize some index cards with my camera. I'm looking for a program that would automatically fix geometry on the shots (as you would expect the cards come tilted on the picture). I have an app (droid scan lite) on my android phone that does exactly that, but I would prefer to do it on my pc (the phone camera has poor quality and it's slow and focuses badly while I have a decent slr). If the program is open source it's an advantage, cross platform -- even more so.

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  • Setting up a laptop hard drive as a secondary on a tower?

    - by vermiculus
    I'm trying to install Windows 8 for a friend who has recently bricked a laptop hard drive. The new one is OEM so there is no OS - I need to be able to stick it in to my tower and load the new OS on it. Both bricked and replacement laptop hard drives are SATA and connect to my mobo just like any other. After I post this I'm going to check the BIOS and see if it shows up, but so far I don't have it showing up in Disk Management. Any ideas would be greatly appreciated.

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  • Google Chrome - Disable Location auto-detection also for google sites

    - by Michael
    I have read how to disable the location auto-detection here and also in Stackoverflow questions asked before: Google Chrome - Auto Detect Location and more... But it seems that it has no influence on the Google relates sites, e.g. Google translate, Google analytic, and even Google it self as a search engine. I have updated Google chrome to 21.0.1180.89 and then all my problems started, i am breaking my hand since i need to translate every word Google presents in their webpages of their products (or simply use their automatic translator). So i started to use Firefox again, but i really want to return back to Google, what can I do?

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  • Windows 7 BSOD Crashes

    - by Shane Andrade
    I recently upgraded to Windows 7 64 doing a clean install from Vista 64 and ever since I keep getting random blue screen crashes. I have the feeling it's caused by my video card but everything has the most up-to-date drivers for Windows 7 64 bit. Here is the memory dump from my most recent crash: MEMORY_MANAGEMENT (1a) # Any other values for parameter 1 must be individually examined. Arguments: Arg1: 0000000000041790, The subtype of the bugcheck. Arg2: fffffa8001990b90 Arg3: 000000000000ffff Arg4: 0000000000000000 Debugging Details: ------------------ PEB is paged out (Peb.Ldr = 000007ff`fffd9018). Type ".hh dbgerr001" for details PEB is paged out (Peb.Ldr = 000007ff`fffd9018). Type ".hh dbgerr001" for details BUGCHECK_STR: 0x1a_41790 DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT PROCESS_NAME: csrss.exe CURRENT_IRQL: 0 LAST_CONTROL_TRANSFER: from fffff80002cff26e to fffff80002c8cf00 STACK_TEXT: fffff880`0299ae38 fffff800`02cff26e : 00000000`0000001a 00000000`00041790 fffffa80`01990b90 00000000`0000ffff : nt!KeBugCheckEx fffff880`0299ae40 fffff800`02cc05d9 : fffffa80`00000000 00000000`01e73fff 00000000`00000000 fffff960`0023653f : nt! ?? ::FNODOBFM::`string'+0x339d6 fffff880`0299b000 fffff800`02fa2e50 : fffffa80`09140c90 0007ffff`00000000 00000000`00000000 00000000`00000000 : nt!MiRemoveMappedView+0xd9 fffff880`0299b120 fffff960`002e381b : fffff900`00000000 fffffa80`07c85d10 00000000`00000001 fffff900`c1e56cd0 : nt!MiUnmapViewOfSection+0x1b0 fffff880`0299b1e0 fffff960`002b4fc1 : 00000000`00000000 fffff900`00000000 fffff900`c1e56cd0 00000000`00000000 : win32k!SURFACE::bUnMapImmediate+0x5b fffff880`0299b210 fffff960`002b527b : fffff900`c07fdd10 fffff8a0`00000000 00000000`00000000 00000000`00000000 : win32k!bMigrateSurfaceForConversion+0x5ad fffff880`0299b340 fffff960`002dc3e3 : fffff900`00000000 fffff900`c1e5c010 00000000`00000000 00000000`00000000 : win32k!pConvertDfbSurfaceToDibInternal+0x1cb fffff880`0299b420 fffff960`002b5319 : fffffa80`07c7f470 00000000`00000001 00000000`00000000 00000000`00000282 : win32k!MulConvertChildRedirectionDfbSurfaceToDib+0x53 fffff880`0299b460 fffff960`002b1267 : fffff900`c0132010 fffff900`c0132010 00000000`00000000 00000000`00000000 : win32k!pConvertDfbSurfaceToDib+0x41 fffff880`0299b490 fffff960`002b1b1f : fffff900`c0132010 00000000`00000001 fffff900`c24cc280 fffff900`c0132010 : win32k!bDynamicRemoveAllDriverRealizations+0x4f fffff880`0299b4c0 fffff960`00273bb9 : 00000000`00000000 fffff900`00000000 fffff900`00000000 00000000`00000000 : win32k!bDynamicModeChange+0x1d7 fffff880`0299b5a0 fffff960`000baa2d : 00000000`00000000 00000000`00000000 00000000`00000000 07cd8220`00000003 : win32k!DrvInternalChangeDisplaySettings+0xc7d fffff880`0299b7e0 fffff960`001a2c41 : 00000000`00000040 fffff900`c00bf010 00000000`00000000 07cd8220`00000003 : win32k!DrvChangeDisplaySettings+0x62d fffff880`0299b9c0 fffff960`001a2e9e : fffffa80`07cd8220 00000000`00000000 00000000`00000000 fffff800`02f6fec3 : win32k!xxxInternalUserChangeDisplaySettings+0x329 fffff880`0299ba80 fffff960`001a033a : 00000000`00000000 00000000`00000000 00998b21`81a100b6 00000000`00000040 : win32k!xxxUserChangeDisplaySettings+0x92 fffff880`0299bb70 fffff960`001a053a : 00000000`00000000 00000000`00000001 00000000`00000000 00000000`00000000 : win32k!xxxRemoteSetDisconnectDisplayMode+0x42 fffff880`0299bbb0 fffff960`00183ea6 : 00000000`00000000 fffffa80`06efeb60 fffff880`0299bca0 00000000`00000005 : win32k!xxxRemoteDisconnect+0x1c2 fffff880`0299bbf0 fffff800`02c8c153 : fffffa80`06efeb60 00000000`00000005 00000000`00000020 00000000`00000000 : win32k!NtUserCallNoParam+0x36 fffff880`0299bc20 000007fe`fd6b3d3a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13 00000000`027cf798 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x7fe`fd6b3d3a STACK_COMMAND: kb FOLLOWUP_IP: win32k!SURFACE::bUnMapImmediate+5b fffff960`002e381b f6477401 test byte ptr [rdi+74h],1 SYMBOL_STACK_INDEX: 4 SYMBOL_NAME: win32k!SURFACE::bUnMapImmediate+5b FOLLOWUP_NAME: MachineOwner MODULE_NAME: win32k IMAGE_NAME: win32k.sys DEBUG_FLR_IMAGE_TIMESTAMP: 4a5bc5e0 FAILURE_BUCKET_ID: X64_0x1a_41790_win32k!SURFACE::bUnMapImmediate+5b BUCKET_ID: X64_0x1a_41790_win32k!SURFACE::bUnMapImmediate+5b Followup: MachineOwner

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  • Is iTerm still relevant against Terminal? [OS X]

    - by pablasso
    Back in the day when Tiger ruled the world, iTerm was a must have for me if only just for the tabs feature that Terminal didn't have. After Leopard came out Terminal got several improvements, like supporting tabs and implementing profiles. Since that day I just don't see the need for iTerm, but I still notice there's people using it. There's something I'm missing? Why should I use iTerm over Terminal?

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  • How to disable Microsoft eHome MCIR Keyboard and company?

    - by AndrejaKo
    Hi! I'm and unlucky owner of and Acer 7720G laptop which, like many in its category, has receiver for a proprietary infra red remote control device (which I did not receive with my laptop!) . Now my problem is that the receiver is detected as Microsoft eHome MCIR Keyboard, Microsoft eHome MCIR 109 Keyboard and Microsoft eHome Remote Control Keyboard keys. My problem is that this driver has incompatibilities with some programs I use like for example DosBox. When these devices are installed, they cause DosBox to incorrectly detect some keyboard buttons. The workaround is to remove or disable the 3 hardware devices. Unfortunately, I the disable option is grayed out and when I delete them, they are reinstalled on next restart. Is there any way to hack windows in order to prevent their installation? I was thinking about locating the drivers these devices use, but they are buried somewhere in windows installation and I don't have enough experience to find them, so I'm asking you for help.

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  • price patterns drops

    - by doug
    I'm looking to buy a new laptop, and i don't need the top hi-tech because I'll use it for office type applications. In this case, the CPU and RAM are those who are mostly used. For example Intel i3 CPU was launched in Jan 2010 and in this case, the prices for Core Duo technology will drop. Do you know when or which are the signs? Can we talk about such a pattern?

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  • How can I install CentOS without a keyboard, mouse, or monitor?

    - by user1032531
    I will be buying a new computer which will be used as a CentOS server. I will put it on my home LAN, and once it is set up, will access it only through SSH. I don't want to spend a lot of money (maybe $500), and I don't want to buy another monitor or keyboard just to through them away after the server is setup. My question is how do I access the computer without a keyboard and monitor when I install the operating system? For media, I can use either the DVD or an ISO on the USB, so am good there. But how do I see what I am doing and enter commands without a monitor or keyboard? I have a Window 7 laptop, an XP laptop, and a CentOS laptop. Can I use one of my laptops to act as the MMI (Man Machine Interface)? If not, what is the easiest and least expensive option? Thank you

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  • VPN - force a selective range of ip to run on VPN (linux)

    - by Francesco
    Preface: I know there are similar question here and there however I'm a kind of newbie on Net stuff so I need an answer on this specific scenario, hoping that can help others too as it is a common problem Let say I cannot do anything on the local switch to change the local ip range, I don't want to use any complicate trick as use VMachine to hide the local ip range but I want to use net tools to solve the issue. Scenario my local net assign me an IP of this class 192.168.1.xxx (ex. 192.168.1.116) and my VPN (VPNC) assign me IP of same class 192.168.1.xxx (ex. 192.168.1.247) Obviously I need VPN to access local address (ex. 192.168.1.100) but when I open any address of the class 192.168.1.xx the route point to my local net and not to the VPN ones. I'm on linux and i'd like gui solution (network manager) in case it is not possible let play with route command. here what network manager offer me: Here my actual route once connected to the VPN: Here some route information (route -n) Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0 182.71.21.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlan0 182.71.21.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlan0 192.168.1.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 192.168.1.246 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 Here my ifconfig : ppp0 Link encap:Point-to-Point Protocol inet addr:192.168.1.247 P-t-P:192.168.1.246 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1400 Metric:1 RX packets:3415 errors:0 dropped:0 overruns:0 frame:0 TX packets:2525 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:3 RX bytes:3682328 (3.6 MB) TX bytes:402315 (402.3 KB) wlan0 Link encap:Ethernet HWaddr 4c:eb:42:06:a3:a6 inet addr:192.168.1.116 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::4eeb:42ff:fe06:a3a6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:72598 errors:0 dropped:0 overruns:0 frame:0 TX packets:42300 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:76000532 (76.0 MB) TX bytes:13919400 (13.9 MB) The Question So basically I would like to add a rule to force this particular address (192.168.1.100) on the VPN and not on my local net

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  • What causes random clicking/navigation sound while PC is idle?

    - by Jim Linny
    On my Dell D630 laptop running Windows XP Pro SP3, I randomly hear the "Windows Navigation Start.wav" played. This happens even if the only application active on the PC at the time is Microsoft Outlook and no one is touching the keyboard or touchpad. The start navigation sound IS enabled for Internet Explorer (I have IE 7 installed), but it is not running (no window open, anyway). The clicks are rapid, as if being executed automatically by a script or process, and they always come in threes: "click-click, click". I don't see any changes on the display and I don't know how to figure out what's running that could cause this. I have tried to leave Windows Task Manager open in the hope that I'll see a process name jump to the top of the list briefly, but it doesn't happen that often and I guess I'm not quick enough. The PC is slower than I think it should be, but System Idle Process is at 96 - 99 during the event, and for most of the time when I'm not actually using the machine. Any ideas?

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