>>>Hi,
>>>If you haven't done it already, pack the DBC and see what happens.
>>>
>>It didn't help.
>>
>>I'm going to delete Data directory, may be defrag my disk, then copy production backup and resume tests.
>
>Did you try on another PC?

Not yet. That's a good idea, I may try on my former colleague's PC. I just need to find his password <g>