你好：
请在官网下载visual studio 2010 的更新包sp1，关掉电脑上的所有VS（从任务管理器里面确认一下是否还有进程在运行），然后右击以管理员的身份运行。
你还可以下载这个工具来修复阻止程序安装或删除的问题。
https://support.microsoft.com/zh-cn/help/17588/fix-problems-that-block-programs-from-being-installed-or-removed
Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints
to MSDN Support, feel free to contact MSDNFSF@microsoft.com.
