Getting a copy of a DLL that's only in the GAC
Go to Command window
Find the Assembly directory
C:\Windows\Assembly
C:\Windows\Assembly\dir
This will display the different GAC folders
You need to find where exactly your dll is stored.
It would be GAC_
where can have MSIL, 64, 32. you can see the processor architecure from from the windows exproer view of the Assembly.
Suppose your dll processor Architecure is MSIL then your assembly would be there in GAC_MSIL
Then Go to
C:\Windows\Assembly\GAC_MSIL\__
Remember __ (Are two underscore)
type command to copy the dll to the directory where you want that.
EX: dll name : mydll
Processor Architecure: MSIL
version: 1.0.0.0
publc key: 9f4da00116c38ec5
The dir to copy: Mybackup
then command
Copy C:\windows\Assembly\mydll\1.0.0.0__9f4da00116c38ec5\mydll.dll c:\Mybackup