I use ObjectDock a lot ever since Windows 7 and the issue on the title still persists on Windows 10 x64Bit. I already know it is not fully compatible with WinX, but I don't think it is a WinX problem, 'cause I used to have this issue on Win7 too. FYI the problem occurs every now and then, but it's so annoying!
For me, it is past time for Stardock to fix this and update this so old version of the software.
Another thing I can see is that ObjectDock interferes too much with Explorer.exe and that may be the question... Just leave Explorer alone as much as possible. Sometimes I can't eject my USB external hard drive or even a pendrive, then I have to unload ObjectDock and everything goes fine from then.
Please, have a look at this and make it compatible soon. It won't be that huge effort from you and your customers (Me) will be very satisfied.
Thanks.