text in itunes unreadable
null-OTHER, Windows 10
Fix unexpected quits or launch issues in iTunes for Windows - Apple Support
Start iTunes in Safe Mode
When you open iTunes in Safe Mode, you isolate the program from any interference caused by plug-ins or scripts not manufactured by Apple. To start iTunes in safe mode, hold down the Shift and Control keys on your keyboard while you open iTunes.
You'll see a message as iTunes is starting that says "iTunes is running in Safe Mode. Visual plug-ins you have installed have been temporarily disabled."
If the issue doesn't happen in Safe Mode, remove any third-party plug-ins.
Looks like files in iTunes got corrupted or didn't install properly.
I would try:
Remove and reinstall iTunes and related software components for Windows 7 and later - Apple Support
text in itunes unreadable