Often my mouse is extreme, but only my MOUSE, in both fn and gta, as well as on the desktop
Do you have a bluetooth mouse? Or a USB mouse?
Otherwise, just clean the laser interface
Run your antivirus program once
I could not fix the mouse. I would recommend not to get the same mouse.MFG
Have ne aimo of roccat, l for 1 year already or so.
Funny Roccat was a reliable brand for me
I hope I could help you.