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			 Junior Member 
			
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			I keep getting the attached error when I try and install the latest and older versions of Calibre. I have tired 32-bit and 64-bit nothing seems to be working please help!
		 
		
	
		
		
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			 Well trained by Cats 
			
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		 Quote: 
	
 ![]() That is the Last Version to run on XP (You see that message if you try to install 2.x on XP) The current (and latest release) version for W7 is 2.38  | 
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			 null operator (he/him) 
			
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		 Quote: 
	
 ![]() I assume you're downloading from here ==>> calibre - Download calibre Try the latest portable version Please post errors such as this as images via the forum's Manage Attachments feature see ==>> Attachments and Images Can you post an image of Control Panel->System (right click My Computer in Start Menu and select Properties) BR Quote: 
	
 Also the OP wrote "when I try and install the latest and older versions"  | 
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		#4 | 
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			Sounds as if the installation file is corrupt. Empty your browser cache and try downloading it again.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#5 | 
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				Computer System
			 
			
			
			Here is a screen shot of my computer system.
		 
		
	
		
		
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		#6 | 
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			 Junior Member 
			
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			Thank you so much BetterRed the portable version worked! I have been trying for months to get this to work!!
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#7 | 
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			 null operator (he/him) 
			
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			@dayrae - I suspect your Windows is maybe not up to date or it's 'broken'.  If you're interested in pursuing further then here are some things to try . 
		
	
		
		
		
		
		
		
		
		
		
		
	
	There were some problems with the Windows Install subsystem, about a year or more since, that were corrected. So make sure Windows is up to date. You could also do a System File Check And, after taking a System Restore Point, do a lightweight registry clean - I suggest Piriform's CCleaner. BR  | 
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		#8 | 
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			When running the wizard to install Calibre check Advanced and uncheck everything else except the program. That worked for with version 3.55 in win7 ultimate x64.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#9 | 
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			 eBook Enthusiast 
			
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			I rather doubt that the original poster has the slightest interest in your reply two years after asking the question.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#10 | 
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			 Resident Curmudgeon 
			
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