Installation error: “Key not valid for use in specified state”.
Information in the Microsoft Crypto folder has become corrupted.
- Navigate to C:\Users\<username>\AppData\Roaming\Microsoft.
Note: AppData is a hidden folder so you may need to show hidden files and folders if you do not see that folder.
- Rename the Crypto folder to CryptoOld.
- Once that folder has been renamed, try installing the software again.