The "unhandled exception trying to save your ROM to disk" error typically occurs when using the or its ZX variant . It usually indicates that the program encountered an unexpected file state, permission issue, or software incompatibility while attempting to write the new ROM file. Common Causes & Solutions
Elias dropped the device. It didn't hit the floor with a plastic clatter; it thudded like a piece of raw meat. From the charging port, a thick, translucent fluid began to seep, smelling of salt and old copper. It didn't hit the floor with a plastic
Ensure you are running the latest version of Java 8 (x64) , as outdated versions are a common source of unhandled exceptions in this tool. If none of the above worked, the "unhandled
If none of the above worked, the "unhandled exception" might be a genuine bug in the software or a corrupted save state. If none of the above worked
: The most frequent cause is attempting to save the randomized ROM with the exact same filename as the original or a previous save. : Give the new file a unique name. Insufficient Disk Space : Larger games like Pokémon Ultra Sun
When the exception occurs while trying to , the emulator was in the middle of writing data (your save file, save state, or temporary ROM data) to your hard drive or SSD.