net framework 4 on windows xp,windows server 2003,windows vista,windows 7,windows server 2008 r2 for x64-based system (kb 2160841)shirley aguinaldo

Credits go to jacvc and Control_tps (http://social.answers.microsoft.com/Forums/en-US/vistawu/thread/ee945c20-a8c1-4b82-9b4c-d6dfae4c5337 ) Try the following steps, please: 1. Open Control panel and go to Program and Features, click it. 2. Scroll down to Microsoft.Net Framework 4 Client Profile, right click it. 3. It will give you a choice of Uninstall/Change, click it. 4. Then, it will give a choice to Repair it, pick Repair it. It will take about 4-10 minutes to repair (with my PC) your experience may vary. 5. When completed, go to your update center, and update it again. If this doesn't fix it, try to remove .Net Framework 4.0 with the .NET Framework Cleanup Tool (http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx ), reinstall .Net Framework 4.0 and try to install the Update again."A programmer is just a tool which converts caffeine into code" CLIP- Stellvertreter http://www.winvistaside.de/