You can add the Exit command to the Quick Access Toolbar (File > Options > Quick Access Toolbar). Alternatively/in addition, you can create a keyboard shortcut for the FileExit command which you will find in the "All Commands" category in the Customize Keyboard dialog box.
I wish there was a File > Exit in Word (and Excel)
Earlier SFC.exe run using command prompt, was done 100%, but it too errored out with: windows resource protection could not perform the requested operation. Yet earlier, Safe mode with networking showed Windows 10 Build 17134.rs4_release.180410-1804 Here in Safe mode too, It was no use trying to use system restore.
Read this Section there in conjunction with the rest of the information they give in above link. Note If SFC could not fix something, then run the command again to see if it may be able to the next time. Sometimes it may take running the sfc /scannow command 3 times restarting the PC after each time to completely fix everything that it's able to.
Upon clicking "Troubleshoot" these are the options listed: System Restore, Go back to the previous version, System Image Recovery, Startup Repair, Command Prompt.
What is the Version and Build of Windows 10 installed? (Type winver in Windows search/Run command) What is the make and model of the PC? Are you aware of any changes on the PC prior to this issue? Meanwhile, we would suggest you to perform these steps and check if Windows 10 and the drivers are upto date. Method 1: Run Memory Diagnostic Tool.
After that, Please type the following command to add the newly created account to the Administrators group and press Enter: net localgroup administrators USER_ACCOUNT /add For example: net localgroup administrators John /add Sign-out then login with the new administrator account. Kindly let me know if this helps or if you have any further concerns.