Safe
Free

ucrtbase.dll

x86 Windows System
Verified

This is a Core Windows System File

ucrtbase.dll is a critical Windows component. If it's missing or corrupted, you should repair Windows rather than replace the file manually.

Recommended: Run System File Checker

sfc /scannow

Open Command Prompt as Administrator and run this command.

Why You Shouldn't Just Download the DLL

  • DLLs depend on other DLLs - copying one file won't fix the chain
  • Runtime packages register components in Windows correctly
  • Version mismatches can cause more problems
  • The official installer handles all of this automatically

Compatibility

Windows Server 2022 Windows Server 2019 Windows Server 2016

File Details

Name
ucrtbase.dll
Size
1.07 MB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
Windows System

Hash Verification

1fe053636a542cc2cbab3c8b5a7ae8f167e5495181d282d0f3c408dd494aeac0
30e3c1ac593fd6ce1031d7514c5dcaaa
ADVANCED

Manual DLL Download

Only if installer doesn't work

This is a last resort. Try the official installer first.
Download ZIP

1.07 MB | x86

4,009 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/SysWOW64/
  3. 3 If needed: regsvr32 ucrtbase.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

ucrtbase.dll
x64