If the above fix crashes or won’t load:
Note: This doesn’t fix FOV or UI scaling as well as the dedicated fix.
| Problem | Solution |
|---------|----------|
| Crash on launch | Rename or remove d3d9.dll – incompatible with some overlays (Discord, RivaTuner). |
| UI elements cut off | Reduce UIScale to 0.9 or increase ResX/ResY in increments. |
| Mouse lag | Enable ForceWindowedMode = 1 in widescreen_fix.ini (then borderless fullscreen). |
| Black bars remain | Ensure Enabled = 1 and the game is not forcing aspect ratio in GPU control panel. |
The fix works differently depending on which version of the game you own.
Unlike older hacks that required you to manually edit text files, this modern fix auto-detects your resolution, but you can tweak it.
Heroes of Might & Magic V — Best Widescreen Fixes and How to Apply Them
Ensure your game is updated to the latest version. Sometimes, game developers release patches that add widescreen support or improve compatibility with newer systems.