Windows 7 has to be activated within a period of 30 days. You can use the following command up to 3 times to extend the activation period to up to 120 days. The Command has to be executed as Administrator
One solution is to stop the windows update service to prevent that Windows XP restarts the computer after an update. The update service will be started again after the next boot. Click on "Start" > "Run" and enter the command:
If your windows installation starts slower after you defragmeted the harddisk, it might be nescessary to run the defragmentation utility on the boot files too which were normally skipped when running the defrag utility. To defragment the boot files, click
Windows XP makes backup copies of your system files which may use a lot of space on your harddisk. To empty the system file cache, click on Start > run... Now enter the command "sfc /purgecache" and click on "Ok".
If you have to reinstall Windows XP on the same computer e.g. because your old installation went instable or you tested some software, you normally have to activate your copy of Windows XP again. This will work 2 or 3