Rocket.Chat.Electron: "A JavaScript error occurred in the main process" when moving app window

My Setup

Windows 7 64Bit, SP1.
All updates installed
Rocket.Chat+ v 1.3.1
I have tested with the latest application version
I can simulate the issue easily

Description

After installation (update from 1.2)
Starting the app
Loggin in to the server
Moving the app window

Current Behavior

Moving the app window makes an error message pop up: “A JavaScript error occurred in the main process …”

Expected Behavior

No error message

Full error message:

` [Window Title] Error

[Main Instruction] A JavaScript error occurred in the main process

[Content] Uncaught Exception: Error: EPERM: operation not permitted, rename ‘C:\Users\myusername\AppData\Roaming\Rocket.Chat+\window-state-main.json.new’ -> ‘C:\Users\myusername\AppData\Roaming\Rocket.Chat+\window-state-main.json’ at Error (native) at Object.fs.renameSync (fs.js:729:18) at writeAtomicSync (C:\Program Files (x86)\Rocket.Chat+\resources\app.asar\node_modules\fs-jetpack\lib\file_ops.js:105:8) at Object.writeSync [as write](C:Program Files %28x86%29Rocket.Chat+resourcesapp.asarnode_modulesfs-jetpacklibfile_ops.js:116:5) at Object.write (C:\Program Files (x86)\Rocket.Chat+\resources\app.asar\node_modules\fs-jetpack\lib\jetpack.js:192:21) at Object.saveState (C:\Program Files (x86)\Rocket.Chat+\resources\app.asar\background.js:72:21) at BrowserWindow.<anonymous> (C:\Program Files (x86)\Rocket.Chat+\resources\app.asar\background.js:268:25) at emitOne (events.js:77:13) at BrowserWindow.emit (events.js:169:7) [OK] `