I use Opera on a Windows "XP" computer. I get an Invalid Server Certificate each time I try to connect to many sites, including github. I know Microsoft has stopped supporting "XP", but I found out it's a browser thing. I mean I get the same message when using Opera, Chrome or Firefox, but when I use other browsers like Qupzilla, I can connect with no issues. Is it because Opera hasn't updated "XP" support as well? Any way around this?
Are you on XP SP3 and are you sure chrome works? Firefox uses different SSL libraries so usually Chrome/Oera fail but Firefox works.
Thanks for writing back. I am on XP2 and no browser works other than Qupzilla etc.