Tips to open MUM file

Can't open the MUM file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open MUM files as well as a list of programs that support MUM files.

MUM file extension

File Name Windows Vista Update Package
File Developer Microsoft
File Category System Files

The MUM file is supported on 1 operating systems. Depending on your operating system, you may need different software to handle the MUM files. Below is a summary of the number of programs that support and open the MUM file on each system platform.

Operating systems
  • 3
  • 0
  • 0
  • 0
  • 0
  • 0

What is MUM file?

The file in the MUM format belongs to the System Files category. The creator of this file is Microsoft. Additionally, the System Files category contains 323 of other files. Windows Vista Update Package appears on 1 operating systems as a functional file. The file will work on Windows systems, unfortunately not on others. Alternatively, you can use 2 other programs. Microsoft Windows Vista, Microsoft Windows 7 will apply when it is not possible to use Microsoft Windows Update.

How to open MUM file?

An often recurring problem with Windows Vista Update Package is that MUM is not associated with the correct program file. This is manifested by the fact that MUM files open in unusual applications or do not have an assigned program. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the MUM file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install Microsoft Windows Update

In this case, you should first verify that the Microsoft Windows Update application is installed on the computer. The easiest method is to use the system search engine by entering the program name Microsoft Windows Update in it. In the absence of an appropriate program, its installation in the vast majority of cases will fix the problem. Below is a list of programs that support the file MUM.

Step 2. Create association of Microsoft Windows Update with MUM files

If the application is or has been freshly installed, but the MUM file still does not use the Microsoft Windows Update program, it means no association. The association can be created using the drop-down list available by right-clicking on the file and selecting Properties. The window will show, among other things, the type of the file and the information by which the program is used to launch the file. Changes can be made using the "Change" button. It may happen that in the next window there will be no appropriate program - however, this can be corrected with the "Browse" option where you should manually indicate the program location. Checking the "Always use the selected program ..." box will permanently associate the MUM file with the Microsoft Windows Update program.

Step 3. Update Microsoft Windows Update to the latest version

If, however, after binding Microsoft Windows Update with Windows Vista Update Package there were still problems, you should update the program to the latest version.

Step 4. Check for the following problems with the MUM file

The problem may also be with the file itself if the above steps don't work. File problems can be divided into the following:

Very often, the file may be size 0 or incomplete. Usually this applies to MUM files downloaded from the Internet in case the download did not finish properly. The file should be downloaded again, making sure that the process has finished correctly.
The most common cause here is computer viruses. A quick virus scan using an up-to-date antivirus program should clear up any doubts. Some antivirus vendors also provide free online scanners. The scan should cover the entire computer, not only the MUM file that we want to open. However, remember that not every infected MUM file can be recovered, so it is important to take care of regular backups.
This can happen especially when the program is dynamically developed and the structure of the MUM files changes over time. These problems are known and are often very easy to fix using the software developers's website.
There can be many reasons for this. Depending on the type of file, it is necessary to repair it accordingly. Some programs offer the ability to automatically repair MUM file corruption.
When reading, a message appears that the file was encrypted or corrupted. The encrypted MUM files cannot be played on other computers than the one on which they were encrypted, they must be decrypted before using on another device.
Some of the system directories are excluded from modification. While there is usually no problem reading such a file, it may not be possible to save it. If possible, you can try to move the MUM file to another location.
This problem only occurs with more complex files. In this case, the MUM file is blocked by the first application to open it. Just close unnecessary programs. Sometimes you have to wait for the session to the file MUM to close. Antivirus programs or a backup being made may lock the file for a while without the user's knowledge. If the problem persists, restart the machine.