The page freezes
Sometimes, the links are not responding to the clicks. Then later, I can't reload the page. I press F5 but it isn't reload it.
Which version number of Vivaldi are you using? 32-bit or 64-bit?
Do you run any extensions?
Are you on windows 7, 8.1, or 10? If 10, are you on WinVer 1607 or 1703?
What can you tell us about your hardware?
Have you made any changes to the browser BPU settings?