how to install curl in ubuntu 13.04? it always throw this error :

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 curl : Depends: libcurl3 (= 7.29.0-1ubuntu3) but 7.29.0-1ubuntu3.2 is to be installed
E: Unable to correct problems, you have held broken packages.

when using sudo apt-get update, it shows:

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

here are the steps i had done :

1. using sudo apt-get install curl
2. removing google-chrome-stable and chromium browser then sudo apt-get install curl
3. use sudo apt-get autoremove && sudo apt-get autoclean && sudo apt-get clean then run the 1st step again.

also i have tried : How do I resolve unmet dependencies?

and still throw the same error. at this point i dont know what i did wrong, is curl impossible to install in ubuntu ?