Why can't I get to the QuickBooks Online sign in page?
Are you having problems accessing the sign in page? Did you attempt to sign in only to get an error message (WebPage cannot be found, Error 404: File Not Found, or QBO is currently unavailable, please try again later)?
In both cases, there are three diagnostic steps that you can use to fix this problem. Please perform these steps in sequence and, after each step, try to sign in.
The three diagnostic steps to troubleshoot your sign-in page issue
Yes, you should check your privacy and security settings.
How to check you privacy settings
If you are still experiencing problems, please check your privacy settings. Set them to medium or lower, and allow access to https://qbo.intuit.com. Also, make sure you have cookies enabled. Close all open browsers, reopen and try to go to https://qbo.intuit.com.
How to check your security settings
Go to Tools and choose Internet Options.
Select the Advanced tab.
In the security section, make sure that Do Not Save encrypted pages to disk is not checked, then choose OK.