Situation: When attempting to open a Network Interface Card (NIC) or click on the Property of the NIC, you may receive this popup message: An unexpected error occurred.
Cause: It may cause because some DLL files or registry settings were damaged; it could a bad hardware like cable.
Resolution: 1. Unplug the network cable and then try it.
2. Run SFC (System File Checker ) Utility to check and fix Corrupted System Files. To do that, run command prompt,
Type sfc /scannow, and then press ENTER
3. Modify the registry.
- Type cmd in the search bar, and select run as administrator.
- In the Command Prompt, type regsvr32 %systemroot%\system32\ole32.dll, and then click OK.
- In the RegSvr32 dialog box, click OK.
- Restart the computer.