Microsoft Windows Error Code 0xC0000135: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC0000135
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0xC0000135 indicates that a required Dynamic Link Library (DLL) file is missing or corrupted, preventing a program or the operating system from loading. This can happen due to incomplete software installation, malware, or system file corruption. Follow the steps below to resolve the issue.
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Tools You'll Need

How to Fix Error Code 0xC0000135

  1. Reinstall the Affected Application

  2. Run System File Checker (SFC)

  3. Run DISM to Repair System Image

  4. Check for Windows Updates

  5. Perform a Clean Boot

  6. Scan for Malware

  7. Restore from System Restore Point

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When to Call a Professional

If none of the above steps work, the issue may be due to severe system corruption or hardware failure. Consider contacting Microsoft Support or a professional technician for advanced repair options like in-place upgrade or clean installation.

Frequently Asked Questions

What causes error 0xC0000135?
This error occurs when a required DLL file is missing, corrupted, or not registered. Common causes include incomplete software installation, malware, system file corruption, or outdated Windows components.
Can I fix error 0xC0000135 without reinstalling Windows?
Yes, most cases can be resolved by reinstalling the affected application, running SFC and DISM, or performing a clean boot. A full Windows reinstall is a last resort.
How do I find which DLL is missing?
The error message usually includes the name of the missing DLL. You can also check the Event Viewer under Windows Logs > Application for more details.
Is error 0xC0000135 a sign of hardware failure?
Rarely. It is almost always a software issue. However, if the error persists after all software fixes, faulty RAM or hard drive could be a possibility.
Does this error affect Windows 10 and 11?
Yes, error 0xC0000135 can occur on Windows 10 and 11, as well as older versions. The fixes are largely the same across versions.

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