Computer stops responding when you run an application that uses the Windows Filtering Platform API in Windows 7, Windows Server 2008 R2, Windows Server 2008, or Windows Vista
Assume that you run an application that uses the Windows Filtering Platform API for several minutes on a computer that is running one of the following operating systems:
- Windows 7
- Windows Server 2008 R2
- Windows Server 2008
- Windows Vista
In this situation, the computer stops responding and there is no network activity. To recover from this issue, you have to perform a hard restart.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB2664888.