ShareScan - Installation rolls back

Question:

Why is installation of ShareScan 5.4 (and newer) rolling back on Windows 10 and Windows Server 2012?

Cause:

Missing permission for the current logged on user to modify value of the Registry.

Resolution:

Use the following steps to correct the permissions issue:

1. Run regedit.exe.
2. Choose File > Export
3. Provide a file name to save the registry to a file as a backup for disaster recovery purposes
4. Navigate to <hkey_local\machine\software\nuance\sharescan>
5. Edit permission for the key to add the currently logged in user.
6. Close regedit.