This issue has been fixed by Microsoft.
Screen jitters or shakes
Windows 10, modern Specialist only, only some Windows 10 devices.
Bug in Windows 10. When DPI scaling changes on your monitor, typically from dragging the window between monitors, the DPI scaling engine in Windows 10 may falter causing screen jitters or shake. Microsoft is aware of the issue.
- Use a different Windows 10 device; or
- Use the Desktop Specialist (www.instanthousecall.com/SpecialistInstaller.msi)