That won't be LW's fault. It could be anything from a virus to an obsolete graphics card driver to ...
1. Check your computer over with an anti-virus app & anti-spy & addware apps. Make sure you have anti-virus softw. &
http://www.lavasoftusa.com/software/adaware/ & also
http://www.safer-networking.org/en/mirrors/index.html & a free one for av:
http://security.symantec.com/sscv6/h...nt=true&bhcp=1
2. Registry cleaner & LW repair suggestions:
http://www.gnutellaforums.com/showth...threadid=34102
3. Do a computer mainenance check & defragment your HDD.
4. Check with your graphics card website to make sure your drivers are up to date.