Sometimes pushing app-v Application doesn't work on some machines and when looked at virtualapp.log file,you will see something like below. “Failed to open the WMI namespace [root\microsoft\appvirt\client]” from C:\Windows\SysWOW64\CCM\Logs\VirtualApp.log. What does the above Error says ? The WMI namespace was not created during the install of the App-V Client. You can verify it by typing…