|File Information:||Query User Utility|
|Vendor Name:||Microsoft Corporation|
|Operating System:||Windows 7, Vista, XP, 2000, ME, 98, 95|
|File Type:||The filename quser.exe.mui refers to many versions of an executable file.|
|Tips:||Scan Your System for Registry Errors|
As one of the system processes in Windows operating system, quser.exe.mui plays an important role of computer performance. If quser.exe.mui has been stopped or infected, computer system will run unstable and even crash. By working with other Microsoft system processes like QTDCAgent32.exe, KB969084.exe, vsmsvr10.exe, armasm.exe, DDConfigCA.exe, ，quser.exe.mui will always run in the system backstage in order to make sure the whole computer perform normally. You can open “Task Manager” to check the situation of this exe file.
Registry Key of quser.exe.mui:
Location of quser.exe.mui: C:\windows\system32
You might encounter quser.exe.mui error or quser.exe.mui using 100% CPU usage problems which you just can not fix on your PC. When the exe error occurs, you may see the following messages on your screen:
quser.exe.mui - Application Error
To fix quser.exe.mui error or resolve high CPU usage problems, you can try methods as following:
1. Remove computer threats.
Check whether the signature database of your antivirus program is the latest and then scan your system thoroughly. Make sure your computer is free of virus, so that the other tips can make sense. If the security program detects a virus, the quser.exe.mui not found error may not be fixed immediately. Go to tips 3.
2. Download a new quser.exe.mui file
You can find any file from the internet for free, but not all of them are secure and effective. First, you should find a reliable download website or you can get quser.exe.mui file from other computer. Later, scan it with security program. Last, install it to the correct folder.
3. Repair windows registry
Vulnerable registry stores all the system settings and data, so any mistake here can generate many computer errors. If PC was once infected by virus, it is necessary to clean up registry. If you get quser.exe.mui not found error, it is recommended to repair registry first before you make any change to your system.
Follow these three steps; you can fix exe errors very easily.