Most users report that third-party antivirus software can block WiFi. Take note that Windows Defender, the antivirus that comes with Windows 10, shouldn’t cause any problems with your wireless connection. Having antivirus software is important, but it can sometimes cause a conflict that leads to a limited internet connection message. If it doesn’t, continue to troubleshoot wifi using our tips below. Restart your computer and check if your wireless connection works now. Next, type the following commands separately by pressing the Enter key after each one: