CMD run as Admin

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

SFC /scannow

chkdsk c: /x /r 

Network

net use * /delete /y

ipconfig /release

ipconfig /flushdns

ipconfig /renew

Firefox

about:config

full-screen-api.transition-duration.enter = 0 0

full-screen-api.transition-duration.exit = 0 0

ui.key.menuAccessKeyFocuses = false

gfx.color_management.mode = 1

ISOC NTP Server

(Hebrew University of Jerusalem)

timeserver.iix.net.il

192.114.62.250

Windows 11

Old Right-Click context menu 

reg.exe add "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}\InprocServer32" /f /ve

New Right-Click context menu 

reg.exe delete "HKCU\Software\Classes\CLSID\{86ca1aa0-34aa-4e8b-a509-50c905bae2a2}" /f

Office Keys

(2016 and up)

cscript "C:\Program Files (x86)\Microsoft Office\Office16\OSPP.VBS" /dstatus

cscript "C:\Program Files\Microsoft Office\Office16\OSPP.VBS" /dstatus