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

Services like OneDrive, Dropbox, or Google Drive might be locking the file to sync it, causing a conflict with the emulator.

If another program (e.g., a cloud backup service, file sync tool like Dropbox, or even a second instance of the emulator) has the save file open, the emulator cannot overwrite it.

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

are you using? Providing those details can help narrow down if there's a known bug with that specific combination. [Bug] Issue by 'Randomize (Save)' #771 - GitHub Services like OneDrive, Dropbox, or Google Drive might

the executable file (.exe) of your randomizer or tool. Select Run as administrator . Attempt to save your ROM again. 2. Move Files Out of Protected Folders

| Prevention Tactic | Why It Works | | :--- | :--- | | | Avoids Windows system restrictions and permission inheritance issues. | | Disable OneDrive sync for your saves folder | OneDrive locks files during sync, causing "unhandled exception" errors. | | Use "Save Scrolling" (multiple incremental saves) | If one save slot corrupts, you have five others to fall back on. | | Shut down emulator before sleep/hibernate | Waking from sleep can cause disk driver issues that break file writes. | | Update emulators monthly | Developers constantly patch disk I/O bugs. | | Run CHKDSK on your drive | Open CMD as Admin: chkdsk C: /f /r . This fixes bad sectors causing write errors. |

I rarely give one-star reviews, but this experience? It was a masterclass in emotional devastation. [Bug] Issue by 'Randomize (Save)' #771 - GitHub

Rename it (e.g., add ".bak" to the end) or move it elsewhere.

"No," Elias whispered, his thumb hovering frantically over the reset button. "No, no, no."

Rename your input ROM to something simple like poke.nds . Summary Checklist " Elias whispered

The exception hadn't just crashed the game; the game had crashed the room.

EMUVR, RetroArch, and various standalone video game emulators are heavily reliant on proper storage permissions. Encountering the error indicates that your emulator was abruptly blocked from writing data to your storage drive. This guide breaks down why this crash happens and provides step-by-step solutions to resolve it. What Causes This Error?