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What is the .UMB File Extension?

.UMB File Extension Description:

MemMaker is a program that is automatically added to Disk Operating Systems. The application is used as a memory management tool that uses the files autoexec.bat and config.sys to change the allocation of memory in DOS computers. Gamers to provide more resources for their games often used the program. MemMaker often does this by moving TSR programs. TSR programs (Terminate and Stay Resident) are applications, which run in the background and stop using resources after a particular process has been completed. These programs remain dormant until the next task is scheduled. MemMaker often moves these programs into the system's Upper memory. Upper memory is a part of the PC's memory map that is often reserved for ROM and RAM applications and processes.

MemMaker requires that the system restart the computer three times for the changes to take place. The program is used to enable or disable expanded memory. Expanded memory gave users the choice of using the final 384 KB of the system. The last 384 KB is often reserved for communicating with peripheral programs and devices. MemMaker can allocate certain programs to use the extended memory for programs or keep it reserved for other system processes.

The program can check the resources used by the startup files. Once the program checks the resources used, it will make suggestions as to which programs can be moved. The program can also change the sequence of the programs running. This may post some problems for programs, which need to run processes in a specific sequence for them to work properly.

The program can also create backups that are saved with the UMB file extension. Backup files with the file extension .umb are used to store information about the program and the processes it runs. The user can access backups with the UMB file extension whenever it needs to check the history of the program. The MemMaker software can only open these files with the .umb file extension.

Author: Microsoft Corporation (,MS-DOS),
Author URL:
Related Applications: MemMaker
Common Path: N/A


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Do you have errors with .UMB files?

The Standard Cause of .UMB files Errors to Occur:

.UMB files errors are potential severe Windows file system errors and may be brought on because of a damaged registry that you should fix right away to avoid even further corruption in other applications and/or devices. Dangers include hardware damage, blue screen errors and fatal crashes.

.UMB files Errors - Common Symptoms:

.UMB files error symptoms include application crashes, shut down or start up problems, slow system operation, sluggish behaviour, screen halts, beeping sounds, trouble saving documents as well as errors during program installation.

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