How to Install Iertutil.Dll

1. Obtain a copy of the Iertutil.dll file from another computer running the same version of Internet Explorer or download a copy from dll-files.com. Save the file to your desktop.
2. Close all open applications.
3. Right-click on the Windows 'Start' button and click 'Open Windows Explorer.'
4. Click the 'C:' drive in the left navigation pane to show the contents of the drive in the right pane.
5. Navigate to and click on the 'C:\Windows\' folder. Click on the 'system32' folder. The contents of this folder is now displayed in the right pane.
6. Drag the Iertutil.dll file from the desktop and drop the file into the 'system32' folder. The DLL is now installed.
7. Open Internet Explorer.