Roman

So you still have not answered me, why my outlook dont have any freezes when caldav is uninstalled, and it have freezes when caldav is installed. And you still have not answered, why when I click on the button "synchronize now" mannualy I often get freeze at the this moment. You said: "The reason is NOT in the sync process of caldavsynchronizer, since the sync duration in the logfile shows the WHOLE duration of the sync process" But I can tell you - the reason of such freezing for me is CLICKING...

What do you mean "outlook doesn't allow multithreaded access" ? May be it's the reason of my freezes.

After I uninstall caldav, outlook freezes stop. It means that Caldav and its synchronization process causing outlook freezes. When i notice outlook freeze I quicly go to see log. And I see there that last durations of sync are less then half a second. So I see outlook freezes and at the same time i see that sync duration is less then half a second/ It means that sync duration (showing in log) dont show us the real reason of Outlook freezes. And what is the real reason? For me it's clear that the...

Freezing outlook, when running sync process