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

This error most commonly occurs when using the (or its ZX variant) while attempting to save a modified ROM. It typically indicates a conflict with the file location, the ROM itself, or system permissions. Common Solutions

Add the entire installation directory of your emulator to the exception list.

), it may lack permission to write new files. Move the entire randomizer folder to a more accessible location like your Run as Administrator : Right-click the randomizer executable (or the file) and select Run as Administrator to bypass potential permission restrictions. Check ROM Compatibility Modified ROMs This error most commonly occurs when using the

The world of emulation and ROM hacking is both liberating and rewarding, offering the ability to preserve classic games or create entirely new ways to play them. However, anyone who has used tools like the Universal Pokémon Randomizer or various ROM editing software has probably encountered a frustrating roadblock: an error message reading,

"there was an unhandled exception trying to save your ROM to disk" is a common crash in the Universal Pokemon Randomizer (UPR) ), it may lack permission to write new files

An means the program encountered a problem for which it had no defined handler. When trying to save a ROM, the program performs many low-level operations: opening a file stream, requesting write permissions from the OS, writing raw bytes to specific sectors on a storage device, and then closing the stream.

If encountering this error, users can try: However, anyone who has used tools like the

If you are using a previously patched or "trimmed" ROM, it may cause an exception. Try using a completely unmodified, original ROM file.