Computer gone very slow all of a sudden and won't load anything

[Steve Ingamells]

Whilst using my computer yesterday afternoon it froze completely. Ever since
then everytime I boot it up it is loading into windows and after login
everything is running extremely slow andthe eventually crashing?

I run a computer repair business and I have had three customers contact me
today with exactly the same problem with exactly the same symptoms! Does
anybody know what has happened and how to fix it? Has something happened
worldwide to XP users?

Thanks in advance for any assistance, this one has me very confused!
Regards
Steve Ingamells

 

[Bob I]

Is COMODO Firewall the common link?

 

[Peter Foldes]

Like Bob I posted . COMODO installed ?
If it is then see the below

Quote from the Comodo support forums:
_____________________________
Hello Everyone,

Because of an issue with the latest virus database, some computers might
observe significant CPU consumption problems caused by cmdagent.exe.

You might observe this issue if your virus database version is 2525 and
later. We have reverted the problematic updates. However, because of the
nature of this issue, already affected computers might not function properly
to revert the updates back.

For those computers, the following instructions can remediate the issue:

1 - Reboot your computer in safe mode
To enter to the safe mode, you need to press F8 button before Windows starts
booting until you see the boot menu. In the boot menu, select the safe mode.
2 - Delete the file in c:\program files\comodo\comodo internet
security\scanners\bases.cav
3 - Copy c:\program files\comodo\comodo internet security\repair\bases.cav
to c:\program files\comodo\comodo internet security\scanners folder(this
action will replace the current bases.cav file with the original bases.cav
file that comes with the installation).
4 - Restart your computer and Update your virus database again.

after these 4 steps, everything should go back to normal.


Alternatively, you can manually download the latest bases.cav file from
http://download.comodo.com/av/updates311/sigs/bases/BASE_END_USER_v2456.cav
and replace the problematic bases.cav with this version.

We are sorry for the inconvenience this might have caused.

Regards,
Egemen

 

[Jim]

On Thu, 8 Oct 2009 12:25:02 -0700, Steve Ingamells <Steve

Whilst using my computer yesterday afternoon it froze completely. Ever since
then everytime I boot it up it is loading into windows and after login
everything is running extremely slow andthe eventually crashing?

I run a computer repair business and I have had three customers contact me
today with exactly the same problem with exactly the same symptoms! Does
anybody know what has happened and how to fix it? Has something happened
worldwide to XP users?

Thanks in advance for any assistance, this one has me very confused!
Regards
Steve Ingamells

Firewall , antivirus , bugs ? ( Quite a few possibilities )

 

[Peter Foldes]

Steve.
Great , Happy you got it sorted. Thanks for posting back