Please feel free to check these knowledge bases for problems  with various software applications.

  <a href="http://www.microsoft.com/technet/support/searchkb.htm">

  <a href="http://www.mcafee.com/centers/anti-virus/default2.asp">

  <a href="http://support.3com.com/">

  <a href="http://venus.corel.com/kbsearch/">