Troubleshooting: File Extension .MUI

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If your PC cannot read or open .MUI files, it is highly recommended that you fix this problem with PC Cleaner. PC Cleaner will thoroughly analyze your computer and make sure it has the necessary software and file associations to correctly read and open your MUI files.

How To Open .MUI Files

Download and run PC Cleaner.

Click 'Start Scan' to analyze your computer.

Click the 'Fix Now' button and you're done!

File size: 6MB, Download time: <1min (Cable/DSL)
File:   File extension .MUI

PC Cleaner Features

  • Identifies Files Your PC Doesn't Recognize
  • Recommends Software to Open .MUI Files
  • Controls Which Programs Open Various File Types
  • Monitors System for File Associations Changes
  • Repairs Broken File Associations
  • Detects Which File Extensions are Supported
  • Microsoft Certified Software
  • Free Database and Program Updates
Windows 10, 8, 7, Vista, XP Compatible. How to Uninstall
Disclaimer: is an authorized distributor of PC Cleaner. Support can also be provided by the manufacturer.

7 Comments on "How to Open MUI Files"

MegaManny says: Topic: Support
It worked, thanks!

iamgr8 says: Topic: Support
nice, a MUI file fix that actually worked

JESSICA says: Topic: Support
your help is much appreciated.

SirJames says: Topic: Support
Glad I ran the scan. It picked up lots of files errors!

DoggieDare says: Topic: Support
My computer works GREAT now!!@!

smoke23 says: Topic: Support
this no doubt saved me hours of frustration

COMPUGUY says: Topic: Support
Thanks for a working solution. Originally I tried editing the file association data with no luck.

Download MUI File Repair Tool Download MUI File Repair Tool  (6 MB)

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