## Expected Behavior I am unable to connect to the KeePassXC database. ## Current Behavior After opening KeePassXC and entering my password, I start Chromium. I click on the icon and then "Reload" and I get the error "Key exchange was not successful." Previously, it worked. This problem started happening after I upgraded my Ubuntu OS from 19.04 to 19.10 . During this period, I was using the Ubuntu package for keepassxc. I am now using the official PPA -- version 2.5.1 . And it still doesn't work yet. I have gone through the [troubleshooting](https://github.com/keepassxreboot/keepassxc-browser/wiki/Troubleshooting-guide) guide. I can confirm: * Browser integration for Chromium is checked * "Use a proxy application" has been checked. * ~/.config/chromium/NativeMessagingHosts is present * the `path` variable points to an executable which does exist I do not see a `keepassxc-proxy` running when I type "ps -aef". I tried running it, but the program exits. Unfortunately, I do not know how to debug the extension; where is the check box for "Developer mode"? ## Possible Solution New to Ubuntu 19.10 seems to be Chromium via snap instead of apt. I'm not sure if that's the problem. But if so, it should affect others, too? I can confirm that it works under Firefox. But that's because before, I never used Firefox (i.e., I just started now to test it). So, I guess it isn't a problem with keepassxc or the connection, but something left over between my upgrade of Ubuntu. Perhaps an additional setting that needs to change? ## Steps to Reproduce (for bugs) As mentioned above, 1. Start up Keepassxc and enter password. 2. In the browser, click on the keepassxc-browser icon. It currently shows "Cannot connect to KeePassXC. Check that browser integration is enabled in KeePassXC settings." 3. Click "Reload". 4. The error "Key exchange was not successful." appears. ## Debug info KeePassXC - unknown KeePassXC-Browser - 1.5.3 Operating system: Linux x86_64 Browser: Chrome/Chromium 78.0.3904.97

Unable to connect ("Key exchange was not successful.") using browser installed via Snap #689

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