我已经卸载了 KB2635973、KB2549864 并且没有 KB2615527。我仍然收到此错误：
Patch (C:\Users\Administrator\Downloads\Async-CTP-v3\VS10-KB0000001.msp) Install failed on product (Microsoft Visual Studio 2010 Ultimate - ENU). Msi Log:
Final Result: Installation failed with error code: (0x80070643), "Fatal error during installation. " (Elapsed time: 0 00:03:15).