Dump+file.

Dump file.

A dump file, stores data from memory during a system crash and can be helpful when diagnosing problems.

However, like a swap file, it can also expose a lot of sensitive, unencrypted data.

You can prevent Windows from creating the file

Go to :‐

Control Panel > System > Advanced tab Startup and Recovery pane (The bottom box )

Click the Settings button Set the drop‐down menu under Write debugging information to (None).