Solution 4: Disable Antivirus once and check Now search for TeamViewer service, Restart the TeamViewer Service once.
Open Run command by pressing Windows + R and type Services.msc this will open the service management console.
Solution 3: Restart the Windows team viewer Service Now search for TeamViewer Remote control application and TeamViewer Remote Control Service.Ĭheck and allow both the apps, click on Ok. Open the control panel and Click on Windows Firewall, Now click on Allow an app or feature through Windows Defender Firewall. Solution 2: Allow TeamViewer app in the Windows Firewall settings Ipconfig/flushdns ipconfig flushdns will clear all the stored DNS resolver cache. Ipconfig/renew ipconfig renew will assign new ip from DHCP Ipconfig/release ipconfig release will release the ip address from the system Open Run command by pressing Windows + R and type cmd hit enter, This command will open the command prompt. Solution 1: Flush DNS to fix Protocol negotiation failed
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