| Issue | Solution |
| :--- | :--- |
| "License Key Invalid" | Ensure you have no typos. If the key was used on another computer, you must contact Blue Marble support to reset the activation. |
| OpenGL Errors / Black Screen | Update your graphics card drivers. Open Global Mapper in "Safe Mode" (hold Shift while opening) and change the rendering engine in Preferences. |
| Script Errors on Startup | Check if you have old scripts in the startup folder. Navigate to C:\ProgramData\GlobalMapper23.1\Scripts and remove unwanted files. |
| Cannot open older GMW files | Use File > Open and allow Global Mapper to upgrade the workspace file to the new version. |
When you pursue a Global Mapper 23.1 download, you typically already have a license. But if you are acquiring one now, understand the options: global mapper 23.1 download
If you do not yet own a license but want to test the full capabilities of v23.1: | Issue | Solution | | :--- |
Once the installer file (e.g., GlobalMapper23_1_setup.exe) is downloaded, follow these steps: Start Menu Folder: Choose where the shortcuts appear
Software version 23.1 represents a mature point in the release cycle. By the time version 23.1 was launched, all major bugs from the initial 23.0 release had been patched. This makes it an excellent choice for production environments where uptime and reliability are critical, and you cannot afford unexpected crashes or rendering errors.