1. Click the 'Start' button in the Windows desktop to open the 'Start' menu.
2. Click the 'Run' icon and type 'regedit' (without quotes) into the 'Run' text field and click the 'OK' button. The Microsoft Registry Editor will open.

3. Go to the left-side pane of the registry and locate the 'HKEY_LOCAL_MACHINE' entry. Open the entry.
4. Open these folders in the following order: 'Microsoft'>'Windows'>'NT'>'CurrentVersion'>'AppCompatFlags'>'Layers.'
5. Locate any keys that contain the 'Relex.exe.' path in them and right-click, then select 'Delete.' Close the editor afterward.