Mythtv Mysql Problems

mythbackend is complaining that mythconverg/recordedseek is corrupted. playback works, but is very slow skiping ahead or back in the show, and stutters sometimes. The internet says to repair recordedseek with:

mysqlcheck -u mythtv -p<password> --repair mythconverg recordedseek

but I cant remember setting a password, or what it might be. every time I run the above with a possible pasword I get:

mysqlcheck: Got error: 1045: Access denied for user 'mythtv'@'localhost' (using password: YES) when trying to connect

I found a procedure for changing the password, but am afraid it will make mythbackend unable to use mysql if I use it.

How do I procede?

mythbackend is complaining that mythconverg/recordedseek is corrupted. playback works, but is very slow skiping ahead or back in the show, and stutters sometimes. The internet says to repair recordedseek with:

mysqlcheck -u mythtv -p<password> --repair mythconverg recordedseek

but I cant remember setting a password, or what it might be. every time I run the above with a possible pasword I get:

mysqlcheck: Got error: 1045: Access denied for user 'mythtv'@'localhost' (using password: YES) when trying to connect

I found a procedure for changing the password, but am afraid it will make mythbackend unable to use mysql if I use it.

How do I procede?
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Two ideas come to mind:
1) Use mythtv-setup to look at the password being used, it is there in plain sight. First or second screen iirc.
2) Use webmin to open mysql database and set any passwords, hosts and users you may ever want

If you think there is no password you can try running:
mysqlcheck -u mythtv --repair mythconverg recordedseek
Otherwise try running this instead:
mysqlcheck -u mythtv -p --repair mythconverg recordedseek

Don't include the actual password and it will ask you for it after you hit enter. I have had mysql give e errors when I ran it the first way bt the above never fails (provided you have/know the password).