Remember - This is a public forum so never post private information such as email or phone numbers!Ideas:Programs you are having problems with Error messages Recent changes you made to your computer What you have already tried to fix the problem Dennis

Hi,1. Did you make any changes to the computer recently?2. Could you provide us the exact error message? When do you get this error message?You may extract this file from a Windows XP disc and replace the one on your computer. Refer to the steps in the article below:User32.dll is possibly corrupt. The header check sum does not match the computed check sum.http://support.microsoft.com/kb/326687Hope this helps.Thanks and Regards:Shekhar S - Microsoft Support. Visit our Microsoft Answers Feedback Forum and let us know what you think. If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.

On Wed, 16 Feb 2011 00:00:04 +0000, BeBe51 wrote:* Remember - This is a public forum so never post private information such as email or phone numbers!Ideas:* Programs you are having problems with * Error messages * Recent changes you made to your computer * What you have already tried to fix the problemPlease, in the future, delete all the above verbiage when asking aquestion. It has nothing to do with your question. And ask yourquestions in the body of the message, not in the title. The titleshould be used only for a brief description of what the question isabout.And sorry to say that I don't understand your question. Please beexplicit about exactly what you are trying to do and how you aretrying to do it. And if you get an error message, please quote itverbatim.Ken Blake (MS MVP)