How to eliminate mup driver problems
The mup.sys (Multiple UNC Provider driver) file is a Windows driver. Generally, drivers allow Windows to operate internal components such as graphics cards and drives, as well as external devices like printers, backup media, or input devices.Click here to check whether your mup driver needs an update.
The mup.sys process is also known as Multiple UNC Provider Driver and is a part of Microsoft Windows Operating System. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of mup.sys can cause problems for your computer, ranging from slowness to error messages like these:
- Multiple UNC Provider driver has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Multiple UNC Provider driver has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- mup.sys has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module mup.sys. Read of address 00000000.
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What you should know about mup.sys Multiple UNC Provider driver
mup.sys is part of Windows. The file mup.sys is found in the C:\Windows\System32\drivers directory.
Frequently occurring are file sizes such as 105,472 bytes (50% of all these files), 49,728 bytes, 105,344 bytes or, as the case may be, 48,104 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories.
The mup file is part of the Windows operating system found in C:\Windows\. This particular software does not have a visible window, and does not appear on the taskbar. It has been digitally signed by Microsoft itself to guarantee its authenticity. For this service - unlike Windows' own system services - there is no good description available.
mup.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files.
For this reason, 2% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves mup.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about mup?
| After downloading & installing keygen for CuteFTP, caused PC to crash. Stoopid. | |
| Used to connect to 'novell' servers. 99% of people dont need this. Many people experience problems when windows stops loading at mup.sys during bootup. Can be fixed by booting with CD and repairing, or by the 'disable mup' command. Oli | |
| Mup.sys This is the driver for the Multiple UNC Provider, which determines which network client protocol to use when the target server is specified by a UNC path such as \\Server_Name. / Boswells Q&A Mup.sys is the service to connect to Novell servers. Mange | |
| When i installed WINxp sp2 its hanging with startup Windows. Then i went safemode that time I found out its hang with muo.sys Jesudas | |
| Installed Win XP Pro onto a HD hanging off an ATA133 controller card. Removing the card, and connecting the hard disk directly to the mobo removed this problem. llama_thumper |
Summary: 10 users consider mup.sys essential and should not be removed. 3 users consider it harmless. For this reason, 4 users have already removed mup.sys. source: file.net
How to uninstall the program
To remove Multiple UNC Provider driver from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate the program in the list of displayed applications.
- Click the program, and then click Uninstall.
How to check if mup.sys (Multiple UNC Provider driver) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of Multiple UNC Provider driver. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Multiple UNC Provider driver or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or mup.sys is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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