"there was an unhandled exception trying to save your ROM to disk" typically occurs when using the Universal Pokemon Randomizer
If you are emulating classic video games, few sights are more frustrating than a sudden crash message. The error is a common issue that plagues retro gamers. It typically appears when an emulator or ROM hacking tool tries to write a save file, a modified game file, or a state save to your storage drive. "there was an unhandled exception trying to save
By systematically working through this guide—starting with free space and administrator mode, then moving to save directories and security software—you can resolve the issue in under 10 minutes. The remaining cases usually involve a corrupted save file or emulator bug, which are also fixable with the steps above. If you are still stuck, please share: The
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Right-click the tool, go to Properties > Compatibility , check Run this program in compatibility mode for , and select Windows 8 or Windows 7 . If you are still stuck, please share: The exact tool or randomizer you are using The game console or ROM extension (e.g., GBA, NDS) Whether you are using Windows, Mac, or Linux If you are still stuck