Help I screwed up

[BeanieN]

Hello,
I accidentally ran a Windows Anytime Upgrade install cd in my laptop. I do not have an activation key and would like to uninstall or reinstall my windows xp (dont have disk)..currently I have limited use of computer because I cant get past activatiob key screen. Please advise

 

[ksiemb]

Hello,
I accidentally ran a Windows Anytime Upgrade install cd in my laptop. I do not have an activation key and would like to uninstall or reinstall my windows xp (dont have disk)..currently I have limited use of computer because I cant get past activatiob key screen. Please advise

You are in a Vista forum, but mention XP. Do you have both installed ? You will have to acquire the upgrade license key, or the install CD/DVD and key for what you want to install (XP/Vista. Read This RE: Anytime Update)
https://en.wikipedia.org/wiki/Windows_Anytime_Upgrade