Windows XP won't let you format your C: drive from within Windows XP. Microsoft put in "suicide" prevention basically that kept people from accidentally formatting the C: drive, now Windows is smart ...

Reformatting a hard drive erases all of the information on the disk and recreates the file system architecture that is responsible for organizing data on the drive. Most malware can be removed using ...

All this is assuming you can still boot into Windows 11/10 in a regular way. If you cannot, the only way is to use a bootable USB drive. You can then use the advanced recovery. Reset Windows Format ...