Missing or corrupt library ucrtbase.dll

What is DLL-FAULT-ucrtbase.dll?

Missing or corrupt library ucrtbase.dll (DLL-FAULT-ucrtbase.dll) is a high-severity fault affecting the software runtime. The application could not be started because the ucrtbase.dll module threw an exception or was not found. Common triggers are deleted library file, incompatible version of Visual C++ and malware Damage. Work through the steps below in order.

Common Causes

• Deleted library file
• Incompatible version of Visual C++
• Malware Damage

Step-by-Step Fix Guide

• 1
  Reinstall the app

  Start with Reinstall the app — it clears the most frequent root cause behind DLL-FAULT-ucrtbase.dll in the majority of cases we've seen.

• 2
  Install the Visual C++ Redistributable package

  For the minority of cases that need more work, the later steps dig into less usual runtime instability causes.

• 3
  Run System File Checker

  If earlier steps didn't help, "Run System File Checker" directly addresses deleted library file.

Commands & Diagnostics

Frequently Asked Questions