Safe
Free

dot3ui.dll

x64 Windows System
Verified

This is a Core Windows System File

dot3ui.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
dot3ui.dll
Size
336 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

77f5ec7287741dfd34523ce9b80910b2661b8a28c63e94212fcee839e4b69293
09b727e1d687d73d94a23ae516d2444c
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

336 KB | x64

4,544 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 dot3ui.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

dot3ui.dll
x86