How to Install Iertutil.dll From a Memory Stick to a Computer That Doesn#039;t Work

1. Insert the flash drive on the working computer. A window will open showing the contents of the flash drive. Click 'Start,' then 'My Computer.' Double-click on drive 'C:,' then on 'WINDOWS,' then on 'system.'
2. Right-click on file 'Iertutil.dll,' select 'Copy.' Click on the window corresponding to the flash drive, then select 'Paste.' Remove the flash drive from the working computer. Insert the drive on the non-working computer.
3. Power on the non-working computer. Press 'F8' right away and keep it pressed until Windows presents you with the Windows Advanced Options Menu. Select 'Safe mode with command prompt.' Press 'Enter' twice. Click on the icon corresponding to the Administrator account. Enter the password.
4. Determine which drive letter has been assigned to the flash drive by executing 'DIR A:,' 'DIR B:,' 'DIR C:' and so on until Windows lists the contents of the flash drive, including Iertutil.dll.
5. Type:COPY X:\IERTUTIL.DLL C:\WINDOWS\systemReplace 'X' by the drive letter found in Step 4. Press 'Enter.' The missing DLL will be copied to the non-working computer.
6. Type:SHUTDOWN -rand press 'Enter.' The computer will restart normally.