Deleting all internet cookies/history/passwords for the steam client browser, my local PC's browser, uninstalling/re-installing steam, checking port forwarding on my router, etc. They will send a confirmation code to the new address and you just input that into the pop-up box. I created a dummy account and was able to authenticate without any issues. Go into your steam settings and change contact email address to another address you control. I verified it was an account issue as I tried logging in even from my cell phone's browser without being connected to wifi so I could be sure I was using the cell network to rule out local network or client issues. Solutions to fix Steam Verifying Login Information Error You can use one of the following solutions to fix the problem at hand. I could not submit a support ticket due to this problem as it would again try to do the login verification and say it could not reach a login server. To fix the Steam verifying login information error, you can clear your downloaded cachesor toggle your online/offlinestatus. Game files need validation through Steam. I'd authenticate and put in my steam guard code but it would just go back to the login page (steam client would authenticate and show me logged in). Common Issues with EAC Running programs EAC detects as suspicious.

In fact, in my case I could not even log in to steam via a browser.

I was able to log in to steam from the client but my wishlist was inaccessible, I could not buy games due to the login verification popping up and failing, etc. In case anyone else is searching the web and finding all the solutions provided didn't work for them, I had a completely separate resolution: I had to remove steam guard and re-add it.

Steam wont verify login information