Help Please..

I am finishing off an fresh install of mythbuntu 10.10 ( 0.24) all updates applied etc. The xml grabber wasn't working properly which had something to do with mysql permisions. I followed a few threads that I thought would help and now I am in the postion the databse won't start at all. I get the database gui after log on requesting mysql details which always fails with the following errors.

1st Nopnp then cannot logon

I would like to try mend the databse before I re-install.