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Windows 98 > Troubleshooting Windows 98


Internet Explorer 4 error: "An internal error occurred in the Windows Internet extensions"

By: Arie Slob

The error An internal error occurred in the Windows Internet extensions is in mostly caused by NetMedic. Make sure to remove syshook.exe from \Windows \ Start Menu \ Programs \ StartUp.


If you're still having problems, or don't have NetMedic:

Try reinstalling TCP/IP:

  1. Go to Control Panel > Network, and select TCP/IP
  2. Click Remove, and then OK
  3. After rebooting, return to Control Panel > Network, and click Add
  4. Select Protocol > Microsoft > TCP/IP. Click all the OK's


Microsoft has a Knowledge Base Article (188952, where they discuss some other possibilities / fixes.