- 
	
		
			
			H 
		
		
		
			
			İ tried to start viewer. Bu it does not work. i returned to old version. How long does it take for working without problem?
			
		 
	 
 
			
				- 
	
		
			
			H 
		
		
		
			
			İ tried to start viewer. Bu it does not work.  i returned to old version. How long does it take for working without problem?