There are a couple of steps missing in Drupal.org's procedure for creating popup blocks. This is what they didn't tell you.
It's easy enough to change fonts in Outlook's Inbox or other folders using View-View Settings-Other Settings-Column Font and Row Font, but a customer wanted to change the font in the Navigation Pane.
A disappearing CKEditor box when you try to activate the buttons for Font selection, Font Size, Font Color, and Font Highlight is a continuing problem in Drupal 8. The solution was simple after I found an explanation by Wim Leers.
I found the solution to some of the slowdown problems in Windows 10 at https://www.lifewire.com/fix-disk-usage-windows-10-4583918.
Flushing all caches after updating a Drupal maintenance release is not shown as required in the Drupal documentation, but it appears to be good practice. At very least it is harmless.
A customer has called several times complaining that the person at the other end of a Skype call can't hear him. The problem is that his microphone gets set to the default setting. This is how to correct the problem.
A customer complained that the 11 point default font in Outlook is too small. After making a snide remark about his age, this is what i told him:
A friend who likes to do things himself asked how to Upgrade from Vista to Windows 10. I have accomplished this feat for customers who have purchased Windows 10 before calling me, but it’s not something that I would recommend. This is what I told him.
A customer had a problem. A printer on his local network only worked from one computer. Previously both computers had access to the printer.
In response to a customer question, I wrote a quick reference on how to add a hyperlink to a document.