Got it! There's one more step. For the notebook you've chosen for your Quick Notes as described by paulsalter, make sure that that notebook (on each device if you've tablet and PC like me) is syncing...

Thanks. That successfully puts a section (a tab) called Quick Notes into the chosen notebook. And new scribbles made after clicking the stylus do go into that section. But there is still an entry at...

I'm using a Surface 3. I installed the OneNote desktop (2016 I think; OneNotes doesn't make it easy to discover which version you're using) alongside the app. Mostly I work in the desktop OneNote,...

Mine didn't change. It was happening before KB3093266 and is happening after. It would be nice to try a different font, but as far as I know, we can't change the start, taskbar, notifications, ......

Drat! Spoke too soon. It did seem as though more time passed with no problems. However, it's back. :-(

I did delete what I think were the relevant files in ...\Local and ...\Local\FontCache and...

Several hours later, and happy to report: no scrambled fonts.

Thanks. I am giving that a try. The Windows Presentation Foundation Font Cache service wasn't running so I made it automatic and did a restart. All the notes on the web say to delete the ~FontCache...

Glad yours sorted itself out. Mine hasn't though. And this is the only mention I have found on the web so far.

I have the same thing. After a sign in or a restart, things are fine initially; but...