The description string for parameter reference (%1) could not be found

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The error message "The description string for parameter reference (%1) could not be found" typically occurs when there is an issue with the Windows registry or when a registry entry is corrupted or missing.

To resolve this issue, you can try the following steps:

  1. Run System File Checker (SFC) Scan:

    • Open Command Prompt as Administrator.
    • Type the following command and press Enter: sfc /scannow
    • Wait for the scan to complete. It may take some time.
    • Restart your computer after the scan is finished.

  2. Check the Registry Entry:

    • Press Windows + R keys to open the Run dialog box.
    • Type regedit and press Enter to open the Registry Editor.
    • Navigate to the following registry key:
      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\OC Manager\Subcomponents
    • Look for the parameter reference (%1) in the right pane.
    • If it exists, double-click on it, and make sure the value is correct. It should be %SystemRoot%\system32\shell32.dll,-51099
    • If it doesn't exist, you may need to add it manually by right-clicking on the right pane, selecting "New," and then "String Value." Name it %1 and set the value to %SystemRoot%\system32\shell32.dll,-51099.

  3. Perform a System Restore:

    • If the issue started recently, you can try performing a System Restore to a point before the error occurred.

  4. Reinstall Affected Software:

    • If the error is related to a specific application, try reinstalling that application to fix any missing or corrupted files.

Please note that modifying the Windows registry can be risky, and you should proceed with caution. It's recommended to create a backup of the registry before making any changes.

If the issue persists after trying the above steps, it may be a more complex problem, and you may need to seek assistance from Microsoft support or a qualified computer technician.