The MEMORY.DMP file is a debug file that is generated by a system crash of some sort on Windows XP. The size of this file by default can be over 2GB and is typically never used by the average user. If you continue to have system crashes and want to really look into the issue than the MEMORY.DMP file could be very useful. By default this file is located in the “C:\WINDOWS” directory but the location of the dump can be modified along with what is actually output in the system dump.
So can the MEMORY.DMP file be deleted? The short answer is yes it can be deleted however every time there is a system crash the file will be recreated unless you follow the steps below. If you do continue to have system crashes though the file could definitely come in handy when troubleshooting the issue.