Dummynet / ipfw error installing on Windows 10 x64
Solution 1:
Install netipfw.inf after disabling signed driver enforcement.
See Windows 10: Disable Signed Driver Enforcement
Click the Start Start menu and select Settings.
Click Update and Security.
Click on Recovery.
Click Restart now under Advanced Startup.
Click Troubleshoot.
Click Advanced options.
Click Startup Settings.
Click on Restart.
On the Startup Settings screen press 7 or F7 to disable driver signature enforcement.