Resolving host error on OSX Yosemite 10.10.1

Hi,
I have been facing resolving host error in chrome every 5 minutes for last few weeks. I have tried changing the DNS to 8.8.4.4 etc with no promising results. The issue is faced by mac only as all the other devices seem to connect to the internet just fine. The parental controls are off so even that is not an issue. Any help is appreciated.
Specs:
MacBook Air (13-inch, Mid 2013)
Processor: 1.3 GHz Intel Core i5
Memory: 4 GB 1600 MHz DDR3

Bah!!! I have only just experienced this issue (along with a billion other issues in Pages, but I'll leave that for another day!).
Thank you to all the great suggestions here, which didn't quite work, but led me to something that did.
I tried this and it didn't quite work:
"Hi! There seems to be a workaround for this (I've had this problem too, you'd think Apple'd sort it out?!?!)
At the top of your Pages document is the name of your document. Hover your mouse over this briefly and a drop down arrow will appear. From here you can name the document, give it a Tag and choose the save destination. Click this drop down arrow, and select your save destination from another drop down that will apear. After you have clicked on your selected save destination, click away from the drop down. Then, simply save (Cmd+S OR navigate to file>save) and it will have saved for you!"
But this worked for me:
I clicked on the drop down arrow, like suggested above, and changed the document name. Then I clicked on the 'Where' drop down menu and went right down the list and clicked on the 'other...' choice right at the bottom of the list. I chose a different location and then clicked 'Move'
For some unknown reason this worked for me where the other suggestion didn't quite work.
I've had to find so many work arounds like this in Pages recently, which you shouldn't have to do!
The only reason why I am persisting with pages is it save my clickable links when exported to PDF, where the Word program doesn't.
I hope these issues get sorted before I thrown the computer out the window due to pure frustration!

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