There Was An Unhandled Exception Trying To Save Your Rom To Disk File

What happened

Possible causes

Immediate steps to try

If the problem persists, export or copy the ROM to a removable drive (USB) and attempt to save there.

If you can provide technical details (optional)

What to do if it’s an application bug

Modern operating systems (Windows, macOS, Linux) restrict write access to certain folders. Common problematic locations include:

If your ROM or save directory is in a protected location, the emulator lacks permission to write. What happened

Try exporting/saving under a new name.

7. Check Disk Space It sounds simple, but if your hard drive is full, the "unhandled exception" will trigger.

8. Check Cloud Sync Conflicts (OneDrive/Dropbox) If your "Documents" folder (where saves are often kept) is synced to OneDrive: Possible causes

9. Corrupted Memory Card File Sometimes the save file itself is the problem.