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I used a key macro program, I don't recall the name of it, but I ended up mapping one of the keys 'A' to something else, and 'A' is in my password so now i can't even log into Windows, I've tried booting in safe mode etc.

Any ideas?

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a classic problem that also applies when a key is broken. copy and paste an 'A' or 'a' from elsewhere, like from charmap or from an essay, another file in your computer that has the letter, or from a webpage – barlop Mar 1 '12 at 2:28
also download another program and change it back. they tend to work by amending the registry anyway so you should be able to do that. – barlop Mar 1 '12 at 2:30
But I can't even get in to windows! – Baconbeastnz Mar 1 '12 at 2:38
you could try also reset the password with peter nordahl's offline nt password recovery thing. – barlop Mar 1 '12 at 2:44
Have you tried using the on screen keyboard? The macro program might not read it. – xdumaine Mar 8 '12 at 4:24

Try to boot your computer from PCUnlocker Live CD, it can help you remove the existing login password. After removing the password, your computer will automatically log on to your system without requiring your to type a password.

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