How to fix Sage 50 Error: “You do not have sufficient access to uninstall Sage 50 Accounting. Please contact your system administrator”

Sage 50 Accounting uninstallation access deniedWant to uninstall your Sage 50 accounting software, but unable to do so? Are you facing an error message that says “You do not have sufficient access to uninstall Sage 50 Accounting. Please contact your system administrator”? Well, the error message occurs due to the following two reasons:

  1. You are unable to delete Sage 50 installation key from the registry
  2. There are certain Sage 50 files and folders that are being shared by other software

How to fix the problem

To fix the error message:

    1. Uninstall Sage 50 using Safe Mode
      1. Open the Registry Editor and go to

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal

      1. Create a subkey called MSIServer.
      2. Set its default value to Service.

How to Troubleshoot “Login Not Responding’ issue in Sage 50

The Windows Installer will now be set in Safe Mode and you will be able to easily uninstall Sage 50 from your computer.

How to upgrade to Sage 50 2018

  1. Remove the System DNS and User DNS
    1. Press Windows key + R
    2. Type ODBCAD32 and press Enter.
    3. Remove all the entries for Sage Line 50 within the User DSN and System DSN tabs.
    4. Try uninstalling Sage 50.

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