[Solved] 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.

Oblivion has stopped working

Content Summary

Solution 1: Delete Oblivion Folder in My Games folder
Solution 2: Install Codec Pack
Solution 3: Disable music via Oblivion.ini configuration file
Solution 4: Disable Secondary Monitors
Solution 5: Uncheck Disable visual themes and desktop composition
Solution 6: Uninstall Cyberlink Power DVD 5
Reference

Solution 1: Delete Oblivion Folder in My Games folder

Step 1: Navigate to Local Disk > Users > Your Account’s Name > Documents > My Games > Oblivion.

Step 2: Select everything besides Saves folder, right-click and choose Delete option.

Step 3: Restart Oblivion from Steam Client.

Solution 2: Install Codec Pack

Step 1: Visit Codec Guide to download K-Lite Codec Pack.

Step 2: Locate it in the Downloads folder and double-click to install it.

Step 3: Restart computer.

Solution 3: Disable music via Oblivion.ini configuration file

Step 1: Navigate to Local Disk > Users > Your Account’s Name > Documents > My Games > Oblivion.

Step 2: Locate Oblivion.ini, right-click it and choose Open with Notepad and click OK.

Step 3: Press Ctrl + F key combination to open the Search box.

Step 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

Method 1: Press Windows Key + P key combination and choosing PC screen only option at the top.

Method 2: For NVIDIA Users: Right-click Desktop > NVIDIA Control Panel > Display tab > Set up multiple displays > Disable all monitors except your PC screen.

Method 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

Step 1: Open Steam Client > Library tab and Oblivion entry in the list.

Step 2: Right-click the game’s icon, choose Properties option and click the Browse Local Files button.

Step 3: Locate Oblivion.exe file, right-click on it and choose Properties option.

Step 4: Navigate to Compatibility tab and uncheck the boxes next to Disable visual themes and Disable desktop composition option.

Reference

Steam Community: The Elder Scrolls IV: Oblivion
The Nexus Forum: Oblivion has stopped working