Check your startup settings to find out what is causing this.
Applications that start with Windows can be found here:
- the WIN.INI, section [windows], entries "run=" and "load="
- the Registry keys
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
- the folders
C:\DOCUMENTS AND SETTINGS\ALL USERS\START MENU\PROGRAMS\STARTUP
C:\DOCUMENTS AND SETTINGS\{username}\START MENU\PROGRAMS\STARTUP
See also "How to Troubleshoot By Using the Msconfig Utility in Windows
XP" (http://support.microsoft.com/?kbid=310560) and "How to Perform a
Clean Boot in Windows XP" (http://support.microsoft.com/?kbid=310353).