F5 Networks Error: Network Access Connection Device not found

F5 Networks Error: Network Access Connection Device not found

OS: Windows 8 and higher

Browser: Firefox

Solution: Manually install the network driver

How To:

1. Download this F5driver


2. Open the Device Manager


3. Look for F5 related device with error icon (exclamation mark)


4. Right click on it, choose Update Driver Software


5. Use the Have Disk option, choose "covpn2~1.inf" file from the saved F5driver folder

Side Notes:

1. If the F5 plugin installation failed in Firefox, set the "xpinstall.signatures.required" value to "false" (in about:config)