Perform a Windows System Restore on your PC to Undo Recent System Changes Framework reestablish is an in-manufactured quality that allows the PC to return in time which results in to fix a few blunder codes. Office 365 Technical Support Phone Number You have to play out the System Restore to fix the Office mistake code. Experience the means given underneath so as to play out a framework reestablish on your PC. From the outset, turn on your PC and continue to the Windows Start catch at the left-base corner of the screen. Type System Restore in the Search board on the following screen and essentially tap the Enter key to summon the activity. Presently, click on the System Restore alternative from the rundown of all the list items. Likewise, enter the Password whenever incited. Select a Restore Point and on the following screen at that point adhere to the on-screen directions to finish the System Restore on your Windows. Presently your PC is reestablished as more up to date and Undo the present framework outlines in the wake of finishing all the above advances accurately. Office 365 Tech Support Number Presently, restart the PC as more often than not you do and see if the blunder code 0x4004f00c is currently finished or not. In the event that the blunder code still proceeds or the above strategy doesn't work, attempt another arrangement talked about underneath.