Iii) Screen Recording : Same as Accessibility and Full Disk Access, in Screen Recording list TeamViewer should be ticked. Ii) Full Disk Access : In Full Disk Access make sure TeamViewer is ticked just like Accessibility. Then tick the TeamViewer and TeamView_Desktop to allow TeamViewer to access the disk. Now if you don’t see TeamViewer in the list then click plus icon and from Application folder Select latest TeamViewer. If they are not ticked go to the left Bottom corner and click “Click the lock to make changes” and provide your password in the prompt. I) Accessibility : Click on Accessibility, then tick TeamViewer and TeamView_Desktop. You can follow the question or vote as helpful, but you cannot reply to this thread. After restart of TeamViewer (services.msc), everything should work. Next go to System Preferences > Security & Privacy and look for the following 3 settings : There is a solution: Create a registry key 'DisableDuplicationAPI' as Dword, a value of 1, at HKEYLOCALMACHINE-> SOFTWARE-> WOW6432NODE-> TeamViewer. You can also tick Remote Login ( Optional ).

I can find nothing in McAffee options and settings that relates to Teamview by name, or the ports needed by Teamviewer. Restarting the Firewall does not interfer, UNTIL I reboot PC, where problem returns. If I disable the firewall, Teamviewer begins working. This step is very crucial as you have to enable your computer for TeamViewer to access your computer system for Screen Recording and hard disk access.Īt first go to System Preferences > Sharing and make sure Screen Sharing is ticked. McAffee Firewall now blocks Teamviewer access to internet, where it worked fine before.

Windows update blocks teamviewer login