Windows 7 Help Forums - View Single Post - Individual update's checkbox is blank?
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10 Jan 2012  
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

I can understand. While there can never be any guarantee that some sort of issue may or may not rear up at you, you should be fine though. To be safe, you could create a restore point before doing so. If you have a issue, you could always do a system restore using that restore point to go back.
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