Safe
Free

mciseq.dll

x64 Windows System
Verified

This is a Core Windows System File

mciseq.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
mciseq.dll
Size
52 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

6a2497ccc2046ccdc0d557d3fc94c5f3eae88096c0a3cdeb4210b74c0ce7ee9c
52e4a733eac8d83eee8051675c5091b2
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

52 KB | x64

1,346 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

mciseq.dll
x86