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

If you are an emulator user—particularly with popular systems like DeSmuME (Nintendo DS), PCSX2 (PlayStation 2), or various retro-arch cores—you may have encountered this dreaded message:

: Using a ROM that has been "trimmed" (unnecessary data removed to reduce file size) or pre-patched with Anti-Piracy (AP) fixes often triggers this exception. : Use a clean, "untrimmed," and unmodified base ROM. Permission Issues

The randomizer requires a stable version of Java to run. If you are an emulator user—particularly with popular

In software development, an "exception" is an unexpected event that disrupts the normal flow of a program. An means the emulator encountered a problem it didn’t know how to recover from—so it stopped what it was doing and showed you an error.

Services like OneDrive or Dropbox are trying to sync the save file at the exact moment the emulator is writing to it. In software development, an "exception" is an unexpected

Click , select Folder , and choose the directory where your ROM tool is installed. 4. Turn Off Controlled Folder Access

If the error disappears, you have a permanent permissions problem. The better fix is to move your ROMs and saves to a non-protected folder (e.g., C:\Users\YourName\Emulation\ ). Click , select Folder , and choose the

The source ROM file or destination folder is locked against changes.