I have an problem to update my TV Client to the latest Version.I found this in my TV Logfiles. Which CA is needed?
2017/09/17 11:10:45.565 10832 9124 G1!! CWinHTTPHelper::StatusCallbackSecureFailure: Cannot check if ssl certificate is revoked, Errorcode=9972017/09/17 11:10:45.565 10832 9124 G1!! CWinHTTPHelper::StatusCallbackSecureFailure: Signing CA is untrusted or invalid, Errorcode=9972017/09/17 11:10:45.576 10832 9124 G1!! UpdateBase::OnDownloadFinishedUpdateFile - CInetDownload::ThreadRun - ErrorReceiveResponse 12175
I know this thread is old but I had the same problem. Some PCs on my network have strict rules. I'm using a Fortigate NGFW. To make it work, I had to whitelist those websites used by TeamViewer (status and SSL verification) on my webfilter list.
Not sure about those;
Hope this will help someone :)