My memory card got corrupted. The problem was in "private" folder, which showed total size of 2TB (on 8GB memory card).
So I've copied all folders except "private" folder to a save location on my PC, reformatted the memory card and copied back all data back on memory card.
I expected that phone will generate new "private" folder, which I believe contains messages, and once I return all my folders back to memory card, that everything will work fine as before.
However, all shortcuts to all custom installed applications are gone. Maps are here and all data, mp3 are still here, but all custom installed apps are gone. Well, at least their shortcuts in menu, they must be still on memory card.
Is this normal? Did the "private" folder contained some data that are vital for menu structure?
Is the only way to fix this to install all the applications all over?