When clicking into the notes text field, entire box is selected and no text can be added. The "Related to" field may not be automatically populated. Other Note-related issues.
The rtf2.ocx has become unregistered
Click Windows Start button
In the search box, Type "cmd"
Locate “cmd” in the list.
Right-click “cmd” and select "Run as Administrator"
On Windows 8, right-click windows start, select Command Prompt (Admin)
On Windows 10, right-click windows start, select Windows PowerShell (admin).
(Black command window opens)
Type (or copy/paste): regsvr32 c:\windows\syswow64\rtf2.ocx
If you get a message that the module failed to load, then try the following:
Type (or copy/paste): regsvr32 c:\windows\system32\rtf2.ocx
You should receive a message the registration was successful.
If the module still fails to load, please close out of the cmd window. Follow the steps above again, this time be sure to "Run as Administrator"