Whenever posting questions on these forums, please give us as much information as possible about your computer. Depending on your issue, we might need the operating system, processor speed, amount of RAM installed, brand name of the computer, (if there is one), and any EXACT error messages you are receiving. In your case, the version of Outlook would certainly help. The more information you give us, the better informed our answer will be.

In the meantime, click on the link below and see the solution listed:

Q: Error Message starting Outlook XP

Hope this helps.