Runtime Error When Opening MapSource

A runtime error may be displayed when opening MapSource® software.

Resolution

This error can be corrected by:

• Checking for Microsoft updates
• Disabling security programs
• Uninstalling and Reinstalling the MapSource program

When uninstalling the MapSource program, the Garmin registry keys may need to be removed manually to resolve the issue.  Follow the instructions below to remove these registry keys with Registry Editor.

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. Garmin cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

To open Registry Editor:

1. Press the Windows key + R
2. Type regedit
3. Click OK

Important: Before making any changes, create a backup of the registry.  

To back up the registry:

1. Click File in the menu bar of the Registry Editor
2. Click Export
3. Under Export range, click All
4. Name the file (e.g. regbackup)
5. Choose an accessible location to save the file, such as the Desktop
6. Click the Save button

Registry Editor may appear to freeze for several minutes while the backup is created.  "(Not Responding)" may also display in the title bar during this process.  Once the application starts responding again, the registry key can be deleted.

To delete the registry key:

1. Click ▷ next to HKEY_CURRENT_USER
2. Click ▷ next to Software
3. If a Garmin folder is present then right-click on the folder
4. Click Delete
5. Click ◢ next to HKEY_CURRENT_USER to collapse the folder
6. Click ▷ next to HKEY_LOCAL_MACHINE
7. Click ▷ next to Software
8. Click ▷ next to Wow6432Node (This step only applies to 64-bit users)
9. If a Garmin folder is present then right-click on the folder
10. Click Delete
11. Reinstall the Garmin Maps

 If these steps do not fix the error, refer to this Microsoft page for further troubleshooting: http://support.microsoft.com/kb/884538

After making these changes to MapSource software the error should no longer appear.