How do I restore the original window configuration?
4469
How can I reset my menus?
16904
Did replacing Windows with Ubuntu completely remove Windows?
136853
Properties window missing?
26944
Undoing the Last Installed Windows Updates via Command Line
120
How do I restore the default repositories?
113017
Settings disappeared in Ubuntu 19.10
114096
Restoring Windows XP PATH variable
38352
How to reset shortcuts (.lnk file)  in Windows 7?
9128
How do I set Windows to boot as the default in the boot loader?
71924
How do I restore .bat files association with the system (make them run when double-clicked)?
93991
Restore Missing "Settings" (gnome-control-center) Icon in Ubuntu 18.04
51363
Restore Ubuntu 16.04 splash screen
110141
Windows utility to save/restore window size & position history?
1661
How do I set the default program?
23601
Windows of an application have minimum size and I can't find the window anymore
53267
How do I recover the default version of some configuration file?
71293
Restore Macintosh HD to its original partition configuration