CC 2019 Disk Error
I upgraded to CC 2019 all was well until I attempted to install Color EFX Pro 4.0 . Which I know now it doesn't support. When I attempt to open 2019 I get a "disk error" message or one that says "Preference file missing or invalid". CC 2018,Bridge and LR all function fine. I scanned the hard drive,no problems and all else on computer is fine.( Windows 10) Adobe tech support is no help.