How to Fix Oblivion Crashes with Error “Oblivion has stopped working” when Startup?

Problem

Oblivion crashes immediately on startup when trying to launch, error message stated “Oblivion has stopped working” show without specific error code.

Solution 1: Delete Oblivion Folder in My Games folder

1. Navigate to Local Disk > Users > Your Account’s Name > Documents > My Games > Oblivion.
2. Select everything besides Saves folder, right-click and choose Delete option.
3. Restart Oblivion from Steam Client.

Solution 2: Install Codec Pack

1. Visit Codec Guide to download K-Lite Codec Pack.
2. Locate it in the Downloads folder and double-click to install it.
3. Restart computer.

Solution 3: Disable music via Oblivion.ini configuration file

1. Navigate to Local Disk > Users > Your Account’s Name > Documents > My Games > Oblivion.
2. Locate Oblivion.ini, right-click it and choose Open with Notepad and click OK.
3. Press Ctrl + F key combination to open the Search box.
4. Type MusicEnabled in the box and change the value next to it from 1 to 0 then save the file.

Solution 4: Disable Secondary Monitors

1. Press Windows Key + P key combination and choosing PC screen only option at the top.
2. For NVIDIA Users: Right-click Desktop > NVIDIA Control Panel > Display tab > Set up multiple displays > Disable all monitors except your PC screen.
3. For AMD/ATI Users: Open AMD Catalyst Control Center > Display management > Disable all monitors except your PC screen.

Solution 5: Uncheck Disable visual themes and desktop composition

1. Open Steam Client > Library tab and Oblivion entry in the list.
2. Right-click the game’s icon, choose Properties option and click the Browse Local Files button.
3. Locate Oblivion.exe file, right-click on it and choose Properties option.
4. Navigate to Compatibility tab and uncheck the boxes next to Disable visual themes and Disable desktop composition option.

Solution 6: Uninstall Cyberlink Power DVD 5