Knowledgebase: Install and Config
Can't Install Upgrade / Uninstall (error code 5)
Updated by Russell Samuels on Nov 13, 2014

If installing a MediaMonkey upgrade, or uninstalling MediaMonkey results in an "Access denied: Error Code 5" or similar error indicating that certain files can't be overwritten or deleted, it means that MediaMonkey failed to close properly.

This occurs if some MediaMonkey files aren't immediately released by the Windows operating system, preventing files from being overwritten or uninstalled.

This can occur if:

  1. MediaMonkey is still connected to a portable / remote device. In such cases disconnect the device before closing MediaMonkey.
  2. Another application is locked onto a MediaMonkey .dll. To get around this issue, try either of the following before attempting to update/uninstall:
    a) If MediaMonkey is running, close it; Wait 10 minutes.
    b) If the problem persists, then :
    - Shut Down Windows and restart your PC
    - Use an Unlock app to unlock any files that are locking MM_Helper.dll . See:
  3. The Windows Media MTP drivers are corrupted. The simplest solution is to:
    a) Uninstall Windows Media Player
    b) Install the latest version of Windows Media Player from Microsoft's site.
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