mscorwks.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Meta Description: Discover details about mscorwks.dll, a crucial component of Microsoft's Common Language Runtime essential for .NET application execution. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
Creation date	25.10.2019 05:44:18
File version	2.0.50727.9149
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	9.5 Mb.	10013768 bytes.

Hashes:

MD5: a44dd8c65a4dd53b01ee89d6513ddd75 ✅
SHA-1: 943ecd15c73162c68dde15df3ffc48e147e64ac9
SHA-256: 4043ecbd419961a53f8012d12e3cef2dc4486d46fac7a8148750750c5accac4b
SHA-512: 0d95918a05888e0a9edf9a17d01e21a3103db152e971fde193557d798d826e4a555f557fc14e01dceccdd2811ad9f3f57254918c72c02145e896619d85fc031a

Digital file signature mscorwks.dll ✅

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

Direct Fix

The mscorwks.dll file is a core component of the Microsoft .NET Framework (version 1.0 through 3.5). If it is missing or corrupted, you can fix it safely without downloading files from third-party websites by repairing the .NET Framework or using built-in Windows diagnostic tools.

1. Run System File Checker (SFC)

Windows has a built-in tool that automatically scans and replaces corrupted or missing system files using your local Windows cache.

1. Press Windows Key + S, type cmd.
2. Right-click Command Prompt and select Run as administrator.
3. Type sfc /scannow and press Enter.
4. Wait for the scan to finish (10–15 minutes).
5. Restart your computer.

2. Repair or Enable .NET Framework

Since mscorwks.dll belongs to older .NET Framework installations, you can force Windows to rebuild or reactivate these files.

1. Press Windows Key + R, type optionalfeatures.exe, and press Enter.
2. Locate .NET Framework 3.5 (includes .NET 2.0 and 3.0) in the list.
3. If it is unchecked: Check the box, click OK, and let Windows install the required components from your system drive.
4. If it is already checked: Uncheck the box, click OK to remove it, restart your PC, and then come back to check the box again to perform a clean reinstall.

3. Run the Deployment Image Servicing tool (DISM)

If the SFC tool cannot find the healthy file in your system cache, the DISM tool will fix the Windows image corruption locally.

1. Open Command Prompt as administrator (as shown in Step 1).
2. Type the following command exactly: DISM /Online /Cleanup-Image /RestoreHealth
3. Press Enter and wait for the process to reach 100%.
4. Run the sfc /scannow command one more time right after.

4. Reinstall the Specific Application Erroring Out

If the error only happens when opening one specific older game or app, that app might have its own local copy of the .NET runtime that got corrupted.

1. Uninstall the problematic software via Settings > Apps > Installed apps.
2. Restart your computer.
3. Run the installer for that software again.

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To help pinpoint the exact cause, let me know:

• What specific app or game triggers this error?
• Which Windows version are you currently running?
• Did the SFC scan give you any specific success or error messages?

With this info, I can give you a more targeted solution.

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📊 Diagnostics Tool: Verify Your mscorwks.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
mscoree.dll
├── MSVCR80.dll
├── ntdll.dll
├── KERNEL32.dll
├── USER32.dll
├── ADVAPI32.dll
├── SHLWAPI.dll
├── sxs.dll
└── dfshim.dll
Other versions:
️ mscorwks.dll 2.0.50727.9149 32-bit (x86) | ️ mscorwks.dll other
Similar files:
️sbscmp20_mscorwks.dll
Microsoft Corporation