You should also delete any data TSVN stores in the registry under HKCU\Software\TortoiseSVN. That will get rid at least of the dialog-positioning problem.
As for the error message you get: maybe a fresh checkout will help here. -- You received this message because you are subscribed to the Google Groups "TortoiseSVN" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tortoisesvn/4e22a5bc-f697-41f1-9c12-a7762beb816b%40googlegroups.com.
