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		#31 | 
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			 Junior Member 
			
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			I'm running Calibre 5.39 on my Apple laptop (MacBook Air M1, running Mac OS 12.3) and I'm having the same problem with the column widths going to default every time I shut down Calibre and restart the program.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#32 | 
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			 Diligent dilettante 
			
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		#33 | 
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			 Junior Member 
			
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			Same problem for me with Windows 11 and 5.39. And the file manager won't show archived files, and I can't change the setting in the lower right hand corner. I get this: 
		
	
		
		
		
		
		
		
		
		
		
		
	
	calibre 5.39 [64bit] embedded-python: True is64bit: True Windows-10-10.0.22000 Windows ('64bit', 'WindowsPE') ('Windows', '10', '10.0.22000') Python 3.8.5 Windows: ('10', '10.0.22000', '', 'Multiprocessor Free') Interface language: None Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 47, 0) && Package KFX (from KFX Input) (1, 47, 0) && Job Spy (1, 0, 190) && KFX metadata reader (from KFX Input) (1, 47, 0) && KFX Input (1, 47, 0) && Obok DeDRM (6, 3, 6) && Quality Check (1, 12, 0) Traceback (most recent call last): File "calibre\gui2\actions\add.py", line 532, in add_books File "calibre\gui2\__init__.py", line 730, in choose_files_and_remember_all_files File "calibre\gui2\win_file_dialogs.py", line 269, in choose_files File "calibre\gui2\win_file_dialogs.py", line 210, in run_file_dialog Exception: File dialog failed (return code 3489660927): I can only see archived files if I type *.* in the file name.  | 
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		#34 | 
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			5.39.1 is available now; Calibre doesn't notify of smaller hotfix updates.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#35 | 
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			 Resident Curmudgeon 
			
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			For those running 5.39, read the entire thread. I did post that 5.39.1 is available. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Obviously, you did not read page 2 or you would have seen the post. You cannot just jump into a thread asking for help without having read the thread because the help you want/need could have been posted already.  | 
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		#36 | 
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			Oh the irony.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#37 | 
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