Here's what fixed mine (Windows 10): Go to the windows start menu, and search "Show hidden files and folders" Go to "Hidden files and folders" folder > Select the "Show hidden files, folders, and drives" button > OK        ( This allows you to see the App Data folder. ) Navigate to your C Drive > Users > [Username] > App Data > Roaming > Adobe > [ Photoshop version ] Delete the CT Font Cache folder Restart photoshop ... View more

Here's what fixed mine (Windows 10): Go to the windows start menu, and search "Show hidden files and folders" Go to "Hidden files and folders" folder > Select the "Show hidden files, folders, and drives" button > OK        ( This allows you to see the App Data folder. ) Navigate to your C Drive > Users > [Username] > App Data > Roaming > Adobe > [ Photoshop version ] Delete the CT Font Cache folder Restart photoshop ... View more