All client computers in your environment run Windows 7. You virtualize applications by using
Microsoft Application Virtualization (App-V). You need to reset the FileSystem cache on a client
computer. What should you do?

A.
Use the AppVCacheSize to set the maximum cache size to 0.

B.
Use the AppVCacheSize tool to set the minimum free disk space threshold to 0.

C.
Set the HKLM\SOFTWARE\Microsoft\SoftGrid\4.5\Client\AppFS\State registry key to 0.

D.
Set the HKLM\SOFTWARE\Microsoft\SoftGrid\4.5\Client\AppFS\FileSize registry key to 0.

Explanation:
How to Reset the FileSystem Cache
Resetting the FileSystem cache is not something that should usually be necessary. However if you
need to completely reset the FileSystem cache, perhaps for troubleshooting purposes, you can use
the following procedure. Administrative rights are required to perform this action.
To reset the FileSystem cache
Set the following registry value to 0 (zero):
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SoftGrid\4.5\Client\AppFS\State
Restart the computer. http://technet.microsoft.com/en-us/library/cc843790.aspx