Delete - Pagefile.sys How To

When your computer runs out of physical RAM (Random Access Memory), Windows moves data that hasn't been used recently from the RAM into the pagefile.sys on your hard drive. This frees up RAM for active applications. When you switch back to a program that was moved to the page file, Windows moves it back into RAM.

del D:\pagefile.sys /f /a

On a Windows PE environment, open Command Prompt and run: pagefile.sys how to delete

Since you cannot delete the file manually, you must instruct Windows to stop using it or move it to another drive. When your computer runs out of physical RAM