lost programs

i recently loaded windows xp pro. Now all my prgrams dont open they only appear as folders when i click on them.
microsoft office is there but when i click to open all i get is the program folder. but word, excel, etc does not run.
I used to have windows me before i loaded xp pro
what did i do wrong

  Fruit Bat /\0/\ 14:08 22 Jan 06

Did you upgrade fromME to pro?

You will need to reinstall the programs to get them in the XP registry.

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