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Thanks for raising this to us. To better understand the situation, post the screen shot of the error message and send us your account details (Username/Customer ID together with the address on file).
Manage your Website Files goes to 502 bad gateway....
You may check with Google support for further information about the Chrome that you are using. You may also try to uninstall and reinstall it.
We've also created an article that you may try. Check it here: Troubleshooting Browsing Issues on Specific Webpages
Trying to change the DNS might work.