How would you fix this problem with Outlook?

[jve101]

I slipstreamed my office with SP1 and SP2.

Now, when I try to start Outlook, it gives me the following errors:

1. This application has failed to start because MAPIR.DLL was not fount. Re-installing the application may fix this problem.
2. Cannot start Microsoft Outlook. MAPI32.DLL is corrupt or the wrong version. This could have been caused by installing other messaging software. Please reinstall Outlook.

I have re-installed Outlook as suggested, but I still get the same message.

PLEASE HELP, I don't want to lose my emails.

Thanks.