But you can spoof Windows updates in order to install retail bits on checked builds and vice versa. Double-click on it and change its value to Checked as shown in following screenshot: If the value is already set to Checked, then change it to Free and click on OK.

Microsoft officially withdrew its support for Windows XP on 8 April 2014, after 13 years of loyal service.

Carrying on without support and an increased security risk is an unappealing prospect, so if you don’t have a migration plan, it’s really time you put one together.

In many cases, your easiest option will be simply to buy a new PC with a more up-to-date version of Windows preinstalled – especially if your current system dates from the early years of Windows XP.

Scanned for viruses, trojans and rootkits many times with many different programs.

Nothing detected so far and I believe system is clean.