If the Windows 7 Upgrade Advisor will not run on your system, then I would advise against trying to install Windows 7 on it. What is the exact make, model, and series of your system or the motherboard?Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

I am trying to use the Windows 7 Upgrade Advisor which starts checking but just keeps going. I let it keep going for even hours, with no outcome. Should I go for the upgrade or not????

If the Windows 7 Upgrade Advisor will not run on your system, then I would advise against trying to install Windows 7 on it. What is the exact make, model, and series of your system or the motherboard?Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.