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Update Service "failed" or Feature Transfer Error "Cannot create a file when that file already exists"


When trying to update Prophet using Help > Update Prophet > Check for Updates and going through the Avidian Prophet Update Service, it says that the update failed.

Or when running the update file, it gives an error that it "Cannot create a file when that file already exists".


This can be due to one person using another's Prophet account and probably updating it.

This left a reference to that user's redirected folders, but the current user does not have access to it.

By navigating into Documents\Avidian Technologies, we see the other path.


Uninstall Prophet from Windows' Apps or Programs and Features.

Unzip ClsIDCleaner.exe which is attached below.

Right-click it and click Run As Administrator.  It should show something like this.

Removed 542 class keys.
Removed 2387 class/CLSID keys.

Install using the full Prophet installation.


If you have any trouble going through the steps or would like help, please call Avidian Prophet Technical Support at 855-284-3426 x2. 

Or you can email  

Or you can create a Support ticket by clicking Start a Conversation  on

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  1. Shelly McNaught

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