How To Fix:-
Method One-Through Command line:-
Start>Run>type in cmd>ok
Run these commands:-
NET STOP STISVC (This stops the service)>press ENTER
SC CONFIG STISVC START= DISABLED (This sets the Service startup type to disabled)>Press ENTER
Method Two-To Stop Windows Image Acquisition (WIA)
Start>Run>type Services.msc>ok
From the list of Services(local) scroll down to Windows Image Acquisition>Right click on it>Click on Stop.
Further help:-
Long delay before files appear in My Computer in Windows XP
http://support.microsoft.com/?kbid=819017