Unable to install some applications on windows 7 64 bit (These files can't be opened error)

Posted by rzlines on Super User See other posts from Super User or by rzlines
Published on 2011-01-11T15:44:33Z Indexed on 2011/01/11 15:55 UTC
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windows-7

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64-bit

I get the following error when I try to install some application on my windows 7 64 bit system.

alt text

How do I turn this off as I know that the applications that I'm installing are trusted.

I have turned off windows defender and tried to tweak internet explorer security settings according to the first few google results but yet I have the same error. (I also created a new user account and tried importing new registry keys but nothing even then)

How can I solve this?

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