The previous version (5.4.0) worked perfectly for me on Windows 10 Pro 64-bit. When I last logged in, I got the notice about the new version. I upgraded but now Enpass but had this behavior: - click on a URL - Enpass immediately crashes After several repetitions of that, I went into Enpass's Settings/Browser dialog and re-clicked the "Install Browser Extensions". When the page opened in my default browser (Chrome 55 64-bit), I clicked on the install button for Chrome again. When the extension page came up, it said the extension was already added to Chrome. The crash hasn't recurred. Will continue to monitor, but be aware you may need to advise customers that this extra step may be necessary until you can resolve it. Attached image shows my Enpass browser settings. Otherwise, have been very happy with Enpass (Android, Linux, Windows). Thanks.