I have a problem vith accesing a menu start...I can't get into it...when I clikck to icon start,nothing happends,it's dead.....what could be wrong?sg

Hi, Please boot the computer in Clean Boot to determine whether the issue is caused by the 3rd party software. The following article is for your reference. http://support.microsoft.com/kb/331796 Sometimes the malicious software can also cause this. Please make a full scan via anti-virus software to determine this.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.