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Does turning off »Use Graphics Processor« in the Performance Preferences (Photoshop > Preferences > Performance > Graphic Processor Settings) and restarting Photoshop have any bearing on the issue?
Are Photoshop and OS fully updated? (For Photoshop that would be 19.1.1)
What have you done for trouble-shooting so far?
Restoring Preferences after making sure all customized presets like Actions, Patterns, Brushes etc. have been saved might be a good starting point:
OMG, thanks a lot, the Graphic Processor fix worked!
My OS was fully updated.
Unfortunately this is no proper solution as it invalidates GPU dependent features (like the Rotate View Tool and some Filter acceleration for example) but it indicates problems with the GPU driver or the OS.
The problem is Photoshop might need the driver might to be updated (from the maker’s site) or rolled back a version …