I have the following problem: switching virtual desktops to the right (CTRL+WIN+Right Arrow) doesn't work. On the other hand, when I go to e.g. desktop number 3 (using WIN+TAB and mouse) I can switch to the left using CTRL+WIN+Left Arrow without any difficulties...

I installed Windows Hotke Explorer to check, if CTRL+WIN+RIGHT has been taken, but it just stands "System (Move window)" in both cases.

Does anyone know, what could be the reason?