hi i am trying to update windows 7 but is failed and showing failed error 643.

after that i have repair .net file and installed manually KB2600217 but its showing "KB2600217 does not apply, or is blocked by another condition on your computer". please help what should i do??

Hi,

This forum is for System Center Essentials related issues. For questions about Windows 7, please use the following Microsoft TechNet Forums, which would be the best resource in your scenario.

Windows 7 Forums
http://social.technet.microsoft.com/Forums/en-US/category/w7itpro

Thanks,