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		#1 | 
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				Join Date: Jan 2016 
				
				
				
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				Calibre not appering
			 
			
			
			Whenever I try to start calibre the loading screen thing says it loads perfectly but nothing shows up when I click on the symbol on the taskbar to try and get it to show up there's no window it says it's working fine on task manager but I don't know what's going on. I know it crashed when I was switching between libraries and all include the debug data but I have no idea what's going on I really hope I can fix it without losing any of my settings or libraries because I have like a few years worth of stuff that I don't remember how to reconfigure fully. thsi happens with both the windows versions and my antivirus is disabled. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Microsoft Windows [Version 10.0.18362.388] (c) 2019 Microsoft Corporation. All rights reserved. C:\Users\User>calibre-debug -g calibre 4.1 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: None Successfully initialized third party plugins: DeDRM (6, 5, 4) && Count Pages (1, 8, 2) && Unplugged (1, 0, 0) && FanFicFare (3, 11, 0) Turning on automatic hidpi scaling devicePixelRatio: 1.0 logicalDpi: 96.0 x 96.0 physicalDpi: 100.861627907 x 101.07357513 Using calibre Qt style: True [0.00] Starting up... [0.02] Showing splash screen... [1.58] splash screen shown [1.59] Initializing db... [8.19] db initialized [8.19] Constructing main UI... FFF: DEBUG: 2019-10-09 11:46:44,578: calibre_plugins.fanficfare_plugin.fff_plugin(207): Plugin FanFicFare macmenuhack file_path:C:\Users\User\AppData\Roaming\calibre\pl ugins\fanficfare_macmenuhack.txt [22.31] main UI initialized... [22.33] Hiding splash screen [23.12] splash screen hidden [23.12] Started up in 23.12 seconds with 20259 books  | 
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		#2 | 
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			 Well trained by Cats 
			
			![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 31,268 
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				Join Date: Aug 2009 
				Location: The Central Coast of California 
				
				
				Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A 
				
				
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			It may be on a missing (from the last time you used it) monitor?
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#3 | 
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			I  use a laptop and donthave any extra monirters
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#4 | 
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			 Well trained by Cats 
			
			![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 31,268 
				Karma: 61916422 
				Join Date: Aug 2009 
				Location: The Central Coast of California 
				
				
				Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A 
				
				
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			The log does not indicate a crash. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Is calibre SHOWN running in the Task Manager?  | 
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		#5 | 
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			It is shown running but there is no window and I can't see anything because of that
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#6 | 
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			 Junior Member 
			
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				Device: Kindle Fire HD10 
				
				
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			I had the same problem.  The latest update corrected the disappearing Calibre issue but now it won't communicate with my device.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#7 | 
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			I fixed it. I had to go back to version 3.48.0 and it worked
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#8 | 
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			 null operator (he/him) 
			
			![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 22,018 
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			I assume you mean 32 and 64 bit. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Did you try installing a fresh version of Windows Portable - it's self contained. If it works you can give it access to existing libraries via symlinks. If it still works then it is probably something in the installed versions configuration settings (they're in %appdata%\calibre) that 4.x doesn't like. BR  | 
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