While I made a mistake while installing visual studio 2008, it was interrupted. I suppose some of feature/component was not installed correctly, so I decided to re-install it.
However, I found there is an error while uninstall visual studio 2008:
After search on google, I found an article about this issue, which figured out the solution -- to download a tool published by Microsoft officially. I want to backup it in this blog, and hope it may help other who is reading this blog.
http://stackoverflow.com/questions/114332/visual-studio-setup-problem-a-problem-has-been-encountered-while-loading-the
uninstall vs2008 tool:
http://go.microsoft.com/fwlink/?LinkId=105801