Another method is to use the Search command to find Notepad.exe in C Windows. Delete everything at once. Saves the two reboots.

I use notepad.exe on an XP SP3 machine. I've lately noticed that the paper size is defaulting to A4, and I can't seem to switch it back to Letter. I've changed the setting in the Page Setup ...

Thankfully, you can still re-enable the old version of Notepad by opening the Settings App (press Windows+i) and navigating to Apps > Advanced App Settings > App Execution Aliases ...

Learn how to make Notepad not restore previously opened files but instead open a new blank page in Windows 11. Stop Notepad from opening the last file!