Have you run System Restore to a time before the problem began?
What firewall, anti-virus application or security suite is installed? There
are some that cause problems which do not appear immediately.
Have you done a thorough check for malware?
Have you recently installed any programs or updates?
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http://support.microsoft.com/kb/555375
"Chuck" <> wrote in message
news:...
>A new problem with my Vista, everytime I my screen saver starts up, it
>seems to mess up the desktop manager. My computer screen goes black, but
>everything on the status bar stayes there. If I click on something on the
>task bar, it says it is open, but the screen is still black.
>
> Anyone have this issue before?