Try each of the following steps in order until the issue is resolved
  1. If the workstation is Windows 7 or Vista, disable User Account Controls (UAC).
  2. Manually register the vbscript.dll file located in the C:\Windows\System32 folder.
    Note: vbscript.dll is also located in the C:\Windows\syswow64\ folder on 64bit machines
If  the vbscript.dll was registered with User Account Control (UAC) settings enabled it might have been registered in the wrong location.  

     1.   Edit the registry and rename the following registry keys, if they exist:  
     2.   Manually register vbscript.dll with UAC disabled or from an elevated command prompt.

Note : Incorrect changes to registry settings can cause serious system problems that may be irreversible without reinstallation of the operating system. You must back up your registry before making any registry changes. We are not responsible for damage resulting from incorrect use of the Registry Editor.