Access denied everywhere and low memory warnings

Hi

I have suddenly started to get access denied warnings on my PC running W7 Home Premium.

I am getting the following - 'The system administrator has set policies to prevent this installation'

And on trying to uninstall a program, in this case the Nokia software Updater -

'You do not have sufficient access to uninstall Nokia Software Updater please contact your system administrator'

(in fact I can't uninstall any program)

I have tried to follow advice from some sites I googled, but every time I try to get into any admin type stuff I get denied entry.

I have also all of a sudden started getting low memory warnings although I have 2GB of ram installed on my laptop. Tried defragmentizing but again denied access !

This problems have all seemed to start at the same time everything was fine before.

Can anybody help?

Steve

Hey thanks for the reply.

I tried downloading both spybot and the malwarebytes software but the problem itself on the PC prevented it. So then i tried downloading both programs on a disc drive from another PC. Again my PC stopped it. So I am stuck now.

Any suggestions?

Or am i going to have to do a fresh re-install of windows 7 again! :)

Steve

Hi Shawn

Thanks for that, you guys are great, just downloading right now to a USB drive, fingers crossed it will work! :)

good news and bad news.

Managed to get the scan working and it dredged up a Trojan and Adware virus. I removed the two offending items and re-booted. However I am still getting access denied warnings

So then I tried updating the sweeper program itself thinking that maybe the update might dredge up more viruses.

Did a full scan again - but it came up clean!

So I am baffled now, any suggestions?

Steve

Hi it's win32/matex.gen!E

Does that help ?

Oops yes typo, it's malex