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Clicking "Add/Remove Windows Components" causes an error and does not launch the program

Published: September 26, 2004
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When you click "Add/Remove Windows Components" in the Add/Remove Programs applet, the following error may occur:

The program cannot start, probably because your user account does not have permission to modify the system registry.

For more information, view the Application Event Log.


The application could not be initialized.

This happens if your user account does not have Write access to the following registry key:

HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Setup \ Oc Manager \ TemporaryData


  • Type regedit.exe in Start, Run dialog

  • Navigate to the above registry key

  • Choose Permissions from Edit menu

  • Click Advanced, and click Add.

  • Type your username in the Select User or Group Box

  • Allow Set Value permissions to your user account

  • Click OK and close the dialog

Related links

How To Use the Windows XP and Windows Server 2003 Registry Editor Features