Microsoft Windows 10 Pro Version 10.0.14393 Build 14393(latest)
uninstalled Postage removed the following folders: C:\Users\jtocci\.postage C:\Users\jtocci\AppData\Roaming\Postage C:\Program Files (x86)\Workflow Products
Downloaded Postage.Windows.3.2.16.zip tried to install by double-click. nothing happened. (known Electron issue) right click to run as administrator install for all users, default location
Postage popped right up. Any ideas how I can get the error you're getting?