I am new at this. My rooted crickwt ascwnd wint let me into the android market
Need more info in order to help...
If you're on cm6/7 you just need to install gapps. If you don't know what cm6/7 are, then you need to give us more info.
Only other thing I can think of is that you deleted something you weren't supposed too.
Try Menu > Settings > Applications > Manage Applications > Market > Clear Data
See if that helps.
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