How to Replace Urlmon.dll

1. Restart or turn on the computer that requires the urlmon.dll replacement. When it is fully booted, attempt to open your web browser (usually Internet Explorer). An error message should appear confirming that the needed DLL file is missing or corrupt.
2. Turn on your secondary computer. After it has finished booting, connect it to the Internet. Depending on your setup, this may either be wireless or a physical connection to an Ethernet port. If you do not know which you have, locate your modem and manually connect the Ethernet cable to your computer.
3. Open the secondary computer's browser. Locate and download a replacement urlmon.dll file from the Internet (see Resources for links). Save this file to your desktop for easy reference. Attach your flash drive to this computer.
4. Copy the downloaded urlmon.dll file onto your flash drive by opening the drive directory (open 'My Computer' and double-click on the drive), Then drag the DLL icon from your desktop to the flash drive window. Unplug the drive and reattach it to the other computer. Save the DLL file to the desktop.
5. Double-click the 'My Computer' icon on your desktop. Navigate to the link 'C:\Windows\system32' by entering your C: drive, then the 'Windows' folder, then the 'system32' folder. Copy the urlmon.dll file on your desktop into this folder, and restart your computer.