Cannot Open any programs on my computer

[Guest]

I can only open a program if I do to Run As
otherwise
and Box pops up wit the red X and it says
Windows Cannot Find....etc

 

[Bill Sanderson]

When was the last time you did a full antivirus scan of this system with
up-to-date antivirus definitions?

There are a number of good online scanners, here's one:

http://housecall.trendmicro.com/