Many users reporting that when they try to upgrade Windows 7 using Windows Anytime Upgrade, they get the error “Windows Anytime Upgrade was not successful”, the installation stops and doesn’t give them any other info. Here you,ll learn how to get rid of this error and upgrade the windows successfully. This can happen if Windows 7 SP1 was downloaded to your PC by Windows Update, but the update has not been installed yet. Windows sees this as a partial install and doesn’t allow the upgrade. There is a KB article that gives more info on the issue and gives steps to fix it.
Windows Anytime Upgrade was not successful
The upgrade was not successful. Please try the upgrade again.
To solve this upgrade failure problem, download and install the Microsoft KB file.
The KB you download from the link above now has a Fix it to make the steps easier.
Windows Anytime Upgrade is used when you already have a lower version of Windows 7 installed on your PC, like Windows 7 Starter or Home Basic, and you want to Upgrade to Windows 7 Home Premium or higher. If you don’t have Windows 7 installed on your computer you will need to buy Windows 7 Upgrade or full released version.
Before upgrading your version of windows, you should first click here to run the Windows 7 Upgrade Advisor and see if your computer will support Windows 7.
Note: This may occur on windows XP professional as error code 0×80070424 ,if this happened to you on windows XP, you should try this solution center link.