Bootcamp To install Windows XP patch C disk space is not enough to solve

　　The code is as follows:

There is not enough disk spaces on c:windows$ntservicepackuninstall$ to install Service Pack 3 Setup requires a additional 4 megabytes of free spaces or if you also want to archive the files for Uninstallation,setup requires 4 additional MEGABYT Es of free spaces. Free additional spaces on your hard disk and then try again.

Resolution measures:

1. Find the Registration Form

2. The code is as follows:

Hkey_local_machinesoftwaremicrosoftwindowscurrentversionsetup

3. Create a string with a value of C:

4. Reboot the computer and reinstall the patch.

The above is bootcamp install WinXP patch when C disk space problem solving method introduced.