Messages app no longer works; plists or chat.db are missing

The reason this happened is that well... I sent a really really really long message and it crashed my messages app. So I figured I would try to delete the chat.db file in /Library/Messages but... there was no file there. Then I checked for the plist files in /Library/Preferences/Apple and the plists for messages were all missing. This is the only way I am aware of to solve the problem but these files are clearly gone! I figured maybe they were hidden for some reason so I used a terminal command to show all hidden files, which seemed to work but the files in question were still missing. Am I missing something? Is there another way to fix messages without these files? Should I find replacements for them?
NOTE:
I have also just tried looking in ~/Library/Containers/Data/Library/Messages/Archive but I don't even have a Containers folder in Library...

I think you are probably looking in your system library rather than the user library.
Please don't take this the wrong way, but if you aren't sure of the difference, I'm not sure you should be playing around in there without specific instruction.

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Your original post:
I upgraded an iPad 2 to iOS 7 and since then SIRI no longer works when pressing the HOME button. The settings for SIRI has also disappeared in the GENERAL settings. I have searched and found no posts with this issue!
iPad 2, iOS 7
You're most recent post:
fldaze wrote:
I have the iPad 3 and believe me it had Siri before the upgrade!
Perhaps it might help if you posted your model number as it seems unclear which iPad you actually have. Settings>General>About
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Message was edited by: 2009 IPOD TOUCH

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Message was edited by: IPatronius

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3. Install another app from the App Store
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Above from Apple's :
iOS: Troubleshooting applications purchased from the App Store

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Follow us on Twitter @VZWSupport

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http://support.apple.com/kb/HT2519
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Messages app no longer works; plists or chat.db are missing

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