Fix mss32.dll Missing Error in Diablo II
Can't play Diablo II due to mss32.dll error? This guide provides specific solutions for Blizzard North's 2000 release.
Table of Contents
Why Diablo II Needs mss32.dll
Troubled by Fix mss32.dll Missing Error in Diablo II? Good news: this is completely fixable.
Solution 1: Install the Official Runtime Package (Recommended)
This solution fixes mss32.dll errors for 90%+ of Diablo II players.
### Download Links (Official Microsoft)
- 64-bit: RAD Game Tools (bundled with games) x64 - 32-bit: RAD Game Tools (bundled with games) x86
### Installation Steps
Step 1: Download BOTH the x64 and x86 versions (yes, even on 64-bit Windows)
Step 2: Close Diablo II and Steam/Epic/GOG completely
Step 3: Run the x64 installer first, then the x86 installer
Step 4: Restart your computer (important!)
Step 5: Launch Diablo II
Why both versions? Diablo II may include both 32-bit and 64-bit components. Installing both ensures complete compatibility.
Solution 2: Verify Game Files
If the runtime installation didn't help, your game files may be corrupted.
### For Steam: 1. Open Steam �?Library 2. Right-click Diablo II �?Properties 3. Go to Installed Files tab 4. Click "Verify integrity of game files" 5. Wait for verification (5-30 minutes depending on game size) 6. Restart Steam and try launching
### For Epic Games: 1. Open Epic Games Launcher �?Library 2. Click the three dots (�? next to Diablo II 3. Select Manage �?Verify 4. Wait for the process to complete
### For GOG Galaxy: 1. Open GOG Galaxy �?Select Diablo II 2. Click Settings icon (⚙️) 3. Select Manage Installation �?Verify / Repair
Diablo II-Specific Fixes
Diablo II has some known issues that can cause DLL errors:
### Known Issues 1. Glide wrapper needed for original version 2. Resolution locked to 800x600 (use mods to fix) 3. CD check failures (use no-CD patch or buy Resurrected)
### Performance Tips 1. Use D2DX or cnc-ddraw wrapper for modern compatibility 2. Consider Diablo II Resurrected for native modern support 3. Install PlugY for expanded stash
### Community Resources For additional help: r/diablo2, Battle.net Forums, D2Mods
Related DLL Errors
If you're seeing mss32.dll errors, you might also encounter issues with these related files:
- mss64.dll: Part of the same runtime package - mssa3d.dll: Part of the same runtime package - mssdsp.dll: Part of the same runtime package
The solution above (installing RAD Game Tools (bundled with games)) will fix ALL of these errors at once.
Preventing Future DLL Errors
### Before Installing New Games 1. Install all Visual C++ Redistributable versions (2008, 2010, 2012, 2013, 2015-2022) 2. Install DirectX End-User Runtime 3. Keep GPU drivers updated
### Antivirus Configuration
Add your games folder to antivirus exceptions:
- C:\Program Files (x86)\Steam\steamapps\common\
- C:\Program Files\Epic Games\
- C:\GOG Games\
### After Windows Updates
Run sfc /scannow in an admin command prompt after major Windows updates to repair any corrupted system files.