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

The emulator does not have permission to write files into the folder where it is installed.

Verify the file extension matches what your tool requires (e.g., .gbc , .gba , .nds , .smc ).

can require up to 6 GB of free space during the randomization process. : Ensure your drive has ample free space. "Trimmed" or Modified ROMs The emulator does not have permission to write

If the tool expects a raw binary file but receives a compressed archive, the save function will crash.

: Open your antivirus settings (e.g., Avast, Bitdefender, Malwarebytes) and add your emulator's folder to the Exclusions or Whitelist section. 4. Check File Permissions and "Read-Only" Attributes : Ensure your drive has ample free space

If you have the ROM or its save file open in a , a text editor , or even Windows Notepad , the emulator cannot write to it.

"there was an unhandled exception trying to save your ROM to disk" is a common crash in the Universal Pokemon Randomizer (UPR) Share public link

The most common cause of this error is a lack of . If your emulator is installed in a protected folder (like C:\Program Files ), Windows may block it from creating or modifying save files.

What (Windows 10, Windows 11, SteamOS) are you running? Is this happening with one specific game or all games ? Share public link