Some programs (Norton System Works 2004 products, DAEMON tools, view source function(in Internet Explorer 6.0) on my computer do not start. To be precise they start, but their processes straight away end. Why this things happen?
This is just a guess, but it could be your short on memory.
What are your specs?
Did you run a anti-spyware program. MSN new Anti-spyware.
Trying Ctrl+Alt+delete and check what programs that are in there that you didn't install. End the process. And then run one those who programs that won't start.