>>>>But the problem is that there is running MS Access program, which requires a lot of memory on the same server, but it runs fast, while VFP programs running slower and slower until server restarts...
>>>
>>>The scenario you describe, clearly indicates that you have some dangling references in your VFP program. See http://fox.wikis.com/wc.dll?Wiki~OOP,GarbagecollectionAndDanglingObjectReferences...~VFP
>>
>>
>Yes, it will help! To be 100% safe, you should assign .null. to the variables before releasing them

I found the bottleneck!
I was wrong saying that database files are on the same server - it was on the different server and connection to that server has problems with data transfer.

After I copied all data to local disk - there is no freezes :)

Thanks for Your answers.

Giedrius