Why is Ctrl F not working?
Without further ado, lets start to solve this issue now!
Typecmdto locateCommand Promptand right-click it to chooseRun as administrator.

In the black window, copy & pasteregsvr32 oleacc.dlland hitEnter.
If Ctrl + F not working still persist, locate and runCommand Promptas administrator again.
Typesfc / scannowand hitEnterto fix the corrupted system files.

PressWin + Ito openWindows configs.
Scroll down to findUpdate & Security.
ClickAdditional troubleshootersat the bottom of theTroubleshoottab.
ChooseKeyboardand tap onRun the troubleshooter.
Step 1. smack the gear icon to openWindows configs.
ChooseGamingand turn offGame Modein theGame Modetab.
It doesnt matter because you’re free to adjust it in theribbon options.
Open a document and choose thefile iconin the top-left corner.
ClickOptions>Customize Ribbon>Customize.
Under theCategorieslist, click theHometab >EditFindin theCommandlist.
Tap onPress New Shortcut Key>Ctrl + F>Assign.
Step 5. wrap up the dialog and hitOK.
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