When I try to renew an IP address I get this message

C:\>ipconfig /renew

Windows IP Configuration

An error occurred while renewing interface Local Area Connection : The RPC server is unavailable.

How can I solve this problem?

After googling I found that is caused by a file named iKernel.exe is missing.
This problem can be solved by just copy back this execute file to the path.

Solution:
1. Copy a iKernel.exe file from any computer and then paste to below location
C:\Program Files\Common Files\InstallShield\Engine\6\Intel 32\
2. Reboot your computer.
3. Done.

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