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What is the .DMP File Extension?

.DMP File Extension Description:

Considered as a system file for Microsoft Windows operating systems, like XP (both Professional and Home Edition) and Vista, the DMP file extension is associated with the memory dump files created by the system when it encounters an error, or a major system crash.

The DMP file extension is associated with data "dumped" from the volatile memory space of your system, like the RAM (Random Access Memory) and virtual memory cache.

When a program or the system encounters an error, it will automatically dump the memory in your RAM and virtual cache into a filename with a DMP extension. This can be used to troubleshoot the cause of the problem and find possible solutions for it.

The data "dumped" by the system will be automatically saved into a filename "memory.dmp" on the first reboot after the crash. Note, however, that these memory dumps can take a lot of disk space and may need to be deleted when they are no longer required for troubleshooting.

Aside from the errors encountered, it is also possible to initiate a manual memory dump that will produce the said DMP file. This can be done through the keyboard by pressing the CTRL key and the SCROLL LOCK twice. When successful, the screen will turn blue and display the following message:

STOP: 0x000000E2 (0x00000000, 0x00000000, 0x00000000, 0x00000000)

The end-user generated the so-called crashdump manually.

When you reboot the system, the "memory.dmp" file will be automatically created and you can use it to debug your system.

If you wish to check the settings regarding memory dumps, right click on My Computer then click on Properties. Click the Advance tab, and click the Startup and Recovery button. Select the "Write Debugging Information" where you can see "Small Memory Dump", "Complete Memory Dump", or "Kernel Memory Dump".

Author: Microsoft Corporation
Author URL:
Related Applications: Microsoft Dumpflop Utility, Windows Debug Tools, and Windows Kernel Debug
Common Path:


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Do you have errors with .DMP files?

The General Cause of .DMP files Errors:

.DMP files errors are potential serious Windows errors and can be brought on by a faulty registry entry that you should repair at once to prevent additional damage in other software and/or devices. Dangers include device damage, blue screen errors and fatal program crashes.

What are the Symptoms of .DMP files Errors?

.DMP files errors bring forth numerous symptoms, including but not limited to: system locks while starting up or shutting down, softwares crash, diminished pc speed, internal speaker beeping, trouble opening documents, sluggish behaviour and failure while installing applications.

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