QuickBooks error 404can be resolved by checking the Internet Speed. The following are the steps involved in this section:

• To begin, launch Internet Explorer and open any of your frequently visited websites.

• If you encounter any problems while opening the URL, restart your internet connection and try again.

• If you still get a prompt that says "Page can't be displayed" or "Connect to the Internet," turn off and on your wireless router or internet switch, and then reopen the URL.

• Restart the system and try again.

• Ensure that Internet Explorer is set as the default browser.

• If the problem persists near the end of the process, contact your internet service provider for better results.