DavidR
4
First empty the Temporary Internet Files from within IE.
You could also use another program to clear temp folders, etc. ClearProg - Temp File Cleaner or CCleaner - Temp File Cleaner, etc.
You may have either an undetected trojan downloader bring this back or your browser has been hijacked.
If you haven’t already got this software (freeware), download, install, update and run it, preferably in safe mode.
If using winXP AVG anti-spyware (formerly Ewido). Or SUPERantispyware Or Spyware Terminator. Or a-Squared free if using win98/ME.