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Windows 8.1 Network Connectivity "One or more network protocols are missing on this computer" error

    General discussion

  • Friend's computer running Windows 8.1 is unable to connect to a wireless network giving the following error: Problems found: One or more network protocols are missing on this computer. Windows Network Diagnostics is unable to repair the problem. 

    This problem appeared after Webroot SecureAnywhere Complete was installed and run. It detected several problems (virus, trojan, malware) and it removed the infections. My friend did reboot the computer and since then it became unable to connect. 

    Has anyone had this kind of problem happen to them, and what if anything, other than restoring from scratch, can be done to regain connectivity.

    Thank you.

    Computer Specs.

    Dell Inspiron 15R-5521

    Intel Core i7-3537U@2.00Ghz 

    8 GiG RAM

    64 Bits Windows 8.1

    Thursday, February 20, 2014 3:47 AM

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