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When installing ArcGIS Desktop, the following error message is displayed:
"Error 1327. Invalid Drive X:\"
The drive letter may be different and usually does not exist, or is not a valid or currently connected network drive.
This may occur when installing any Esri product.
The registry contains references to a hard drive or network drive that is no longer connected.
WARNING! The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.
Esri cannot guarantee results from incorrect modifications while following these instructions. Therefore, use caution and proceed at your own risk.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders