[longimanus]

just upgraded Calibre portable to 4.0
but when i start i see it as an icon but can not get to any menu / functionality.

debug gives the following :
G:\Calibre Portable\Calibre>calibre-debug.exe -g
calibre 4.0 embedded-python: True is64bit: False
Windows-10-10.0.18362-SP0 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: de
Turning on automatic hidpi scaling
Registering with default programs...
devicePixelRatio: 2.0
logicalDpi: 72.0 x 72.0
physicalDpi: 78.9126213592 x 79.2832369942
Using calibre Qt style: True
Registered with default programs in 0.4 seconds
[0.00] Starting up...
[0.02] Showing splash screen...
[0.34] splash screen shown
[0.34] Initializing db...
[0.36] db initialized
[0.36] Constructing main UI...
[1.47] main UI initialized...
[1.47] Hiding splash screen
[2.48] splash screen hidden
[2.50] Started up in 2.50 seconds with 1 books