Usually this should not be a problem for a slightly experienced user, but my match bar has disappeared and won't show up, even after switching the matchbar on and off and switching the windows layout.
What can I do?
What comes to mind:
You've made it floating and the Matchboard is positioned in the background or in a corner, possibly of a secondary monitor?
The Matchboard might have 'undocked' from its default location and might been placed into the tab.
The match bar only appears if there are any fragment/term matches in your resources. If you hid it before, try to restart the program although it should display without the restart.
Edit > Quick Search (Command+Shift+F)
It has been called a Search bar.