Safari won't start

Clean lion install on a new hard drive. Migrated all data from time machine. Updated all software (safari was not one of them). When I try to start safari I get a "this application quit unexpectedly" message every time. I have no other browser on the computer to connect to the net. Can I redownload safari? Chrome? Anything?

I do not know how to wipe and reinstall safari.

I do have another computer to download anything I need, but so far I have not found anything that seems right.

Thanks

Safari should be installed with Lion. Run the Lion installation again, this time not as a clean install.