Several weeks ago I got a virus call MaCatte, which imitates a McAfee
page. I probably picked it up in a program called crack.exe.
Since eliminating it (with a combination of things I can't remember),
I have an unusual problem with occasional monitor blinking.
It's highly predictable with the Windows game called Spider Solitaire.
About five seconds after starting a new game, the screen will "blink"
for a fraction of a second, as though it's refreshing. It will do this
once or twice during the first 10 seconds, then be okay for the
remainder of the game. Once I start a new game, or replay the existing
one, the blinking will predictably occur again.
Other programs do not seem to have this problem. But sometimes I set
my CoolEdit Pro program to record something in the timed mode, with a
start time several hours later. When I get back home, the recording
hasn't started. I believe this is because this mysterious "blink" or
refresh has occurred during that several hour period and messed up
the timed mode.
Otherwise, everything is okay, but startup time since the virus is
long: 1:46 to the desktop, with about 65 seconds at the blue "Windows
is starting up" screen.
XP, SP3; Envision LCD monitor. The display adapter is an integrated
ATI Radeon 3000, part of the Asus M3A76-CM mobo and AMD 760G chipset.
Screen refresh rate: 60 Hz (70, 72 and 75 Hz are the other options).
You've still got a virus somewhere. Probably dozens of them. One of
them has most likely infected your spider solitaire game. The dead
giveaway on this one is the integrated video. The reason the screen is
blinking is that some virus (or several) have filled up the main system
RAM, leaving no room for processing video information. If you had a
dedicated video card, this wouldn't happen, as the virus wouldn't be
using the same RAM that is processing video to send to your monitor.
That would be both good and bad. You'd have a more reliable display,
but then you might not have a symptom to show you that you still have
an infected computer.
Start by uninstalling norton and mcafee and any other useless bloatware
that claims to be security software while totally ignoring most virus
infections. Then install something useful (and free) like avast! or