Hi when i open Internet Explorer it functions normally for some time and when i use more than 3-4 internet explorer windows , it says " Internet explorer encountered a problem and needed to close " !!! Then i have to close the running applications and start IE again .... Can anyone tell me how to avoid this problem ???and RUN IE normally

Thanks
YashVirus scanners
AVG Free
-- Anti virus SCANNER
Trend Micro Housecall
-- Online anti virus scanner.

Anti spy/malware
Microsoft Antispyware
-- Anti spyware scanner. Windows XP Home and Professional only.
Spybot Search & DESTROY
-- Anti spyware scanner
Adaware SE Personal
-- Anti spyware scanner

Firewalls
Use both a hardware and software firewall.
Be advised as dual software firewalls may cause problems

ZoneAlarm Free
-- Free firewall - more user friendly
Sygate Personal
-- Free firewall - more configuration options

Removal tools
The following files are not SUBSTITUTES for the ones described above.
They are either diagnostic tools or removal tools for malware of a certain kind

HijackThis
-- Manual malware remover. Post the HijackThis log generated only if requested!
McAfee Stinger
-- Virus removal tool. No substitute for a fully functional virus scanner!
CWshredder
-- CoolWebSearch removal tool. Widely known and persistant Hijacker.Is your Windows & IE up to DATE?