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		#1 | 
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			 Junior Member 
			
			![]() Posts: 1 
				Karma: 10 
				Join Date: Apr 2015 
				
				
				
				Device: none 
				
				
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				Calibre 2.24
			 
			
			
			When I "click" to add a book and turn , I get this warning: " 2.24 caliber IsFrozen : True is64bit : False 
		
	
		
		
		
		
		
		
		
		
		
		
	
	8-6.2.9200 Windows - Windows ( ' 32bit ', ' WindowsPE ' ) 32bit process running on 64bit windows ( 'Windows' , '8' , ' 6.2.9200 ' ) Python 2.7.9 Windows : ( '8' , ' 6.2.9200 ' , '', ' Multiprocessor Free' ) Traceback ( most recent call last ) : File "site - packages \ caliber \ gui2 \ add.py " , line 116, in tick File "site - packages \ caliber \ gui2 \ add.py " , line 204, in monitor_scan UnicodeDecodeError : ' utf8' codec can not decode byte 0xE1 in position 429 : invalid continuation byte " How I can fix this? Thanks!  | 
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		#2 | 
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			 eBook Enthusiast 
			
			![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 85,560 
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				Join Date: Nov 2006 
				Location: UK 
				
				
				Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6 
				
				
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			Please ask Calibre questions in the Calibre forum, to where I'm now moving this thread. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	Thanks.  | 
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		#3 | 
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			 creator of calibre 
			
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			While the underlying error is obscured by a character encoding issue, it looks like something on your computer is preventing calibre from talking to its worker process. Most likely an antivirus program, try temporarily disabling it and see if it makes a difference.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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