The Application Virtualization Client could not launch the application you requested

To be more exact, the complete error I got was:
The Application Virtualization Client could not launch the application you requested.The OSD file you are attempting to use is newer than the one in cache, but you do not have permission to update it. You can launch the application by using the original OSD file or by specifying its name instead of using an OSD file.
Error code: XXXXXX-XXXXXX-44-00001005

What you should do is check this registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SoftGrid\4.5\Client\Permissions
and check if the DWORD value: UpdateOSDFile =1 exists. If it doesn’t exist, well you know what to do!
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TAGS: App-V ,44-00001005, could not launch the application you requested