Installation error: “Key not valid for use in specified state”.

Error:

Installation error: “Key not valid for use in specified state”.

Snap shot:

websign

Causes:

Information in the Microsoft Crypto folder has become corrupted.

Workaround :

  1. 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.

  1. Rename the Crypto folder to CryptoOld.
  2. Once that folder has been renamed, try installing the software again.

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