Drag and drop error

[AntiGuide]

Copying and pasting files doesn't work + drag and drop returns an error:

[2017-05-23T23:49:45] INFO: switch from "MainPC" to "SurfacePro3" at 3839,612

[2017-05-23T23:49:45] INFO: leaving screen

[2017-05-23T23:49:47] INFO: switch from "SurfacePro3" to "MainPC" at 1,560

[2017-05-23T23:49:47] INFO: entering screen

[2017-05-23T23:49:47] ERROR: drop file failed: drop target is empty

 

OS: Windows 10 Pro 64bit (both)
Version: 1.8.8 (stable) (both)

File: Normal Word file (docx)

 

Please help me fix it.