I want to deinstall certain programmes from my computer. (ie iTunes) I get a messages saying that the system administrator has blocked the deinstallation.

If it's my computer and I am the only person who uses the computer, How can I rectify this?

Create a new administrator account through your user account management. In your control panel there should be an icon for User Accounts or something along those lines. Not quite sure why your account isn't showing up as an admin account, could be the registry is messed up a bit (happens when you install a number of programs and don't clean up the registry regularly).

Hello uk1971:

An excellent UNINSTALL application, superior to MS Window's is:

Revo Uninstaller
Revo Uninstaller is an uninstall utility that includes additional system clean-up tools. It provides an alternate interface for the Windows Add/Remov ...

* FREEWARE
* Windows compatibility2000/XP/2003/Vista
* Rating ......4.5 of 5.0

http://www.snapfiles.com/reviews/revo-uninstaller/revouninstaller.html

BTW - SnapFiles.com is an excellent repository for FREEWARE and Shareware.

Hope this helps!

Alan :)