Unless you plan on sharing these files with someone or using them yourself to help troubleshoot a system crash or other problem, you can safely delete them to free up space.
You can generally find these files in C:\Windows\Minidump. There are also smaller minidump files, which are memory dump files that contain fewer details. This file can be up to 800MB in size, and it contains a lot of details that might be useful for a programmer or developer who needs to debug the crash. Windows keeps a maximum of one memory dump file (generally at C:\Windows\MEMORY.DMP), which it overwrites every time your system blue-screens. Below command would disable crash dump overwrite.Whenever Windows suffers a Blue Screen of Death (BSOD) error, it generates a crash file or memory dump file containing a lot of information, like the process threads active before the crash, running programs and apps, active drivers, kernel information, and event timestamps. If you want to overwrite existing crash dump file, then set its value to 1. This key can be found in the registry path mentioned above. Set the value of the registry key ‘Overwrite’ to 0. Reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl" /v CrashDumpEnabled /t REG_DWORD /d 0 /f Disable crash dump overwrite Or you can simply run the below command which does the same. Set the registry value CrashDumpEnabled to 0. Open registry editor and navigate to the path HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl. We can configure crash dump by modifying these registry values also(listed below). Registry values related to Windows crash dump settings are stored under the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl. Modifying Windows dump settings using registry keys In the Startup and recovery window(which can be opened from System properties window) unselect the check button ‘ Overwrite any existing file‘ to disable crash dump overwrite. How to enable or disable crash dump file overwrite? You can also change mini dump file location – Select ‘ small memory dump‘ from the drop down box and then give the location of the file in the bottom text box. In the ‘Dump File’ text field you can enter the location of the file. You can set the dump file location in the same Startup and recovery window mentioned above. After this click on OK and close the windows. Otherwise select your required option from the other three. If you want to disable memory dump then select none from these options.
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