Unless you have already run the fix before, you will need to run it for updates to work. The problem is that an item in the sources list is no longer accessible and the fix removes the item. It doesn't matter if you ever installed chrome or not. If you have a 32 bit system use the 32 bit instructions. If your system is 64 bit use the 64 bit instructions. Don't run both.
“I have not failed. I’ve just found 10,000 ways that won’t work.” - Thomas Edison