This is the log.txt
[2019-07-16 11:40:00.189] [info] Checking for update
[2019-07-16 11:40:01.051] [info] Found version 2.19.4 (url: Radzen-2.19.4-mac.zip, Radzen-2.19.4.dmg, Radzen-2.19.4.dmg)
[2019-07-16 11:40:01.053] [info] Downloading update from Radzen-2.19.4-mac.zip, Radzen-2.19.4.dmg, Radzen-2.19.4.dmg
[2019-07-16 11:40:11.935] [info] / requested
[2019-07-16 11:40:11.943] [info] /app.zip requested
[2019-07-16 11:40:12.626] [info] download-progress listener count: 0
[2019-07-16 11:40:49.816] [info] Proxy server for native Squirrel.Mac is closed (was started to download http://download.radzen.com/download/Radzen-2.19.4-mac.zip)
[2019-07-16 11:42:13.886] [info] New version 2.19.4 has been downloaded
[2019-07-16 11:51:28.117] [info] Checking for update
[2019-07-16 11:51:29.197] [info] Update for version 2.19.4 is not available (latest version: 2.19.4, downgrade is disallowed.
[2019-07-16 11:51:45.340] [error] SyntaxError: Unexpected end of JSON input
at JSON.parse ()
at I (/Applications/Radzen.app/Contents/Resources/app.asar/static/webpack:/node_modules/uri-js/dist/es5/uri.all.js:6:1)
[2019-07-16 11:52:19.658] [error] TypeError: Cannot read property 'split' of null
at e.then (file:///Applications/Radzen.app/Contents/Resources/app.asar/static/renderer.js:290:2772716)
at process._tickCallback (internal/process/next_tick.js:68:7)
[2019-07-16 12:10:17.961] [error] TypeError: Cannot read property 'split' of null
at e.then (file:///Applications/Radzen.app/Contents/Resources/app.asar/static/renderer.js:290:2772716)
at process._tickCallback (internal/process/next_tick.js:68:7)
[2019-07-16 12:11:20.696] [error] TypeError: Cannot read property 'split' of null
at e.then (file:///Applications/Radzen.app/Contents/Resources/app.asar/static/renderer.js:290:2772716)
at process._tickCallback (internal/process/next_tick.js:68:7)
[2019-07-16 19:57:01.881] [error] Error: Object has been destroyed
at WebContents.send (/Applications/Radzen.app/Contents/Resources/electron.asar/browser/api/web-contents.js:100:15)
at EventEmitter.s.ipcMain.on (/Applications/Radzen.app/Contents/Resources/app.asar/static/webpack:/node_modules/uri-js/dist/es5/uri.all.js:6:1)
[2019-07-16 21:02:28.558] [error] Error: Object has been destroyed
at WebContents.send (/Applications/Radzen.app/Contents/Resources/electron.asar/browser/api/web-contents.js:100:15)
at EventEmitter.s.ipcMain.on (/Applications/Radzen.app/Contents/Resources/app.asar/static/webpack:/node_modules/uri-js/dist/es5/uri.all.js:6:1)
[2019-07-16 21:24:20.074] [info] Checking license...
[2019-07-16 21:24:21.248] [info] License check result: false
[2019-07-16 21:24:21.255] [info] Checking for update
[2019-07-16 21:24:22.147] [info] Update for version 2.19.4 is not available (latest version: 2.19.4, downgrade is disallowed.
[2019-07-16 21:40:14.488] [info] Checking license...
[2019-07-16 21:40:15.388] [info] License check result: false
[2019-07-16 21:40:15.397] [info] Checking for update
[2019-07-16 21:40:15.893] [info] Update for version 2.19.4 is not available (latest version: 2.19.4, downgrade is disallowed.