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Browse the GAC like any other file/folder structure.
You can simply go to,
HKLM\Software\Microsoft\Fusion
Create a DWORD value named "DisableCacheViewer" and set it to value 1.
Open another instance of windows explorer, explore to c:\windows\assembly

2ca398ea-a2ac-4ad1-bdf9-2cb502c0c11c|1|5.0
Computers, Programming, Operating Systems