What overlay are you having trouble with?
OVR Toolkit (Not to be confused with OVR Advanced Settings. This is the one that lets you see and interact with your desktop)
2 known issues, 3 potential solutions, 2 external resources
OVR Advanced Settings (Not to be confused with OVR Toolkit. This is the one that has space drag, often called "playspace mover")
0 known issues, 0 potential solutions