1. Install updated drivers
2. Scan for viruses, trojan horses and spyware
3. Clean your registry.
4. Update DirectX
You may find the following tools useful
Virus scannersAVG Free-- Anti virus scanner
Anti spy/malwareMicrosoft Antispyware-- Anti spyware scanner. Windows XP Home and Professional only.
Spybot Search & Destroy-- Anti spyware scanner
Adaware SE Personal-- Anti spyware scanner
FirewallsUsing only one firewall is advised. Dual firewalls may cause problems.
Using a hardware firewall and a software firewall is even more adviced.ZoneAlarm Free-- Free firewall - more user friendly
Sygate Personal-- Free firewall - more configuration options
Removal toolsThe following files are not substitutes for the ones described above.
They are either diagnostic tools or removal tools for malware of a certain kindHijackThis-- 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.
Easy Cleaners-- Freeware registry scanner
Registrar Lite-- Excellent replacement for Windows Regedit
Crap Cleaner -- Freeware registry scanner/history cleaner