Acrobat X context menu missing | 64-bit Windows 7

After you install the Acrobat X 10.0.1 update on 64-bit Windows 7, the Acrobat context menu choice is missing from Windows Explorer. 

For Acrobat 10 and 64-bit Windows Operating System:  

regsvr32 "C:\Program Files (x86)\Adobe\Acrobat 10.0\Acrobat Elements\ContextMenu64.dll"

For Acrobat 10 and 32-bit Windows Operating System:  

regsvr32 "C:\Program Files\Adobe\Acrobat 10.0\Acrobat Elements\ContextMenu32.dll"  

For Acrobat 9 and 64-bit Windows Operating System:  

regsvr32 "C:\Program Files (x86)\Adobe\Acrobat 9.0\Acrobat Elements\ContextMenu64.dll" 

For Acrobat 9 and 32-bit Windows Operating System:  

regsvr32 "C:\Program Files\Adobe\Acrobat 9.0\Acrobat Elements\ContextMenu32.dll"  

Check if a string with value data “Adobe.Acrobat.ContextMenu” is not blocked by windows machine.

String Path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell
Extensions\Blocked with a value data: Adobe.Acrobat.ContextMenu

If the string is present under the window’s blocked keys, just remove this particular string from above location of affected machine and then restart.

The above string should be under the Approved folder only.