NOTE:
- After saving in GIMP, within a few seconds, I do see the message "loading texture <filename>" in AC3D, but nothing actually happens
- This problem also occured in AC3D 8.6.11
- My drive with the png file is 70% full
Running sysinternal's sync command doesn't work
PowerShell command "Write-VolumeCache C" doesn't work.
Turning off write caching to hard drive doesn't work.