Depends.....without knowing more:
Some users have reported having the Worm_Dandi.A. You can run a free scan
from here:
http://www.trendmicro.com/vinfo/virusencyclo/default2.asp
Suggestions:
Go to Start/Run/control folders/View/Uncheck Restore previous folder windows
at logon.
Create Separate Processes for the Desktop and Explorer
Separate Process for the Desktop and Explorer (Line 62)
http://www.kellys-korner-xp.com/xp_tweaks.htm
This problem can be caused by the DlDer Trojan. More information here:
http://www.sophos.com/virusinfo/analyses/trojdownloada.html
Other checkpoints:
Run: My Documents Folder Opens Upon Boot (for C:\) Right hand side - Line
255
http://www.kellys-korner-xp.com/xp_tweaks.htm
Go to Start/Run/Regedit and navigate to this key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon.
In the right pane under Userinit, Change the key that reads:
C:\Windows\System32\Userinit.exe,C:\Windows\System32\Userinit.exe
To: C:\Windows\System32\Userinit.exe,
Another checkpoint to consider:
Go to Start/Run/Regedit and navigate to these keys:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
If the folder in question is listed, place the entire path in quotes.
--
All the Best,
Kelly (MS-MVP)
Troubleshooting Windows XP
http://www.kellys-korner-xp.com