# Guide to Eliminate QuickBooks Error 400 HTTP Bad Request ![Guide to Eliminate QuickBooks Error 400 HTTP Bad Request](https://hackmd.io/_uploads/SJHUBUs6el.png) <p>Tried to connect to your bank, but ended up with <b>QuickBooks error 400: HTTP Bad Request</b>. This may occur due to the application's inability to send a request, resulting in the server returning that request with a prompt stating “QuickBooks Error 400: The remote server returned an error – Bad Request.” Consequently, this prevents the connection between the bank and the QuickBooks Desktop.</p><p>The reasons that might be responsible for causing this are misconfigured internet settings, poor network connection, browser cache, and many other factors. Take a walk-through of this entire blog and perform the solution that our experts have suggested.</p><p><b><i></i></b></p><blockquote><b><i>If resolving QuickBooks error 400: HTTP Bad Request seems challenging to you, don’t worry; we are here to assist you. Dial 1.855.738.2784 and get directly connected with our dedicated support team.</i></b></blockquote><p></p><h2 style="text-align: left;">Key Factors Leading to the QuickBooks Error 400: HTTP Bad Request</h2><div>Below are some reasons why you encounter the 400 Bad Request error in QuickBooks.</div><div><ol style="text-align: left;"><li>Due to misconfigured internet settings.</li><li>If the network connection is poor or unstable.</li><li>When the firewall is responsible for preventing access to the bank server.</li><li>Browser cache or cookies may be causing the problem.</li><li>In case your bank or credit card website is facing issues.</li><li>When you don’t install the latest web browser updates.</li><li>You are not using the correct URL to access the bank server.</li><li><b><a href="https://blog.accountinghelpline.com/quickbooks-desktop-issues/quickbooks-script-error/">QuickBooks script error</a></b> can also be another reason why QB can’t send the request.</li></ol><h2 style="text-align: left;">Quick and Easy Fixes For QuickBooks Error 400: HTTP Bad Request Error</h2></div><div>Try the solutions below to mitigate the 400 Bad Request error in QuickBooks. See how to do it:</div><div><h3 style="text-align: left;">Method 1: Log in to the bank website</h3></div><div>Try to connect QB with the bank server to check if the problem is with the bank or the application. Explore other solutions to resolve error 400 if you can easily log in to the bank's website.</div><div><br /></div><h3 style="text-align: left;">Method 2: Clear Cache</h3><div><b>In Chrome</b></div><div><div><ol style="text-align: left;"><li>Open the <b>Chrome</b> browser.</li><li>Choose <b>More</b>.</li><li>Tap on the <b>More Tools</b> option.</li><li>Choose <b>Clear Browsing Data</b>.</li><li>After this, select a time range.</li><li>Choose <b>All Time</b> option to delete everything.</li><li>Tick the boxes stating “<b>Cookies and other site data</b>” and “<b>Cached images and files</b>.”</li><li>Choose <b>Clear Data</b>.</li></ol><div><b>In Firefox</b></div><div><div><ol style="text-align: left;"><li>Go to the <b>Menu</b> and choose <b>Settings</b>.</li><li>Click the <b>Security and Privacy Panel</b>.</li><li>Tap on the <b>Clear Data</b>.</li><li>Choose <b>Cookies and Site Data</b>.</li><li>Untick the <b>Cookies and Site Data</b> box.</li><li>Tick the box that says <b>Cached Web Content</b>.</li><li>Choose <b>Clear</b>.</li><li>Close the <b>Settings</b> menu.</li></ol><h3 style="text-align: left;">Method 3: Use supported web browsers</h3><div><ol style="text-align: left;"><li><b>Google Chrome:</b> Version 78 or later.</li><li><b>Mozilla Firefox:</b> Version 76 or later. Moreover, you will need the Firefox PDF plugin to preview and print forms on Mac OS.</li><li><b>Microsoft Edge:</b> Version 79 or later.</li><li><b>Safari:</b> Version 12 or later is helpful on Mac only.</li><li><b>Opera:</b> Version 68 or later.</li><li><b>Samsung:</b> Version 10 or later.</li></ol><h2 style="text-align: left;">In The End</h2></div><div><b>QuickBooks error 400: HTTP Bad Request</b> occurs when the application fails to connect to the bank server. Several reasons might be responsible for causing it, which have been briefly mentioned in the above section, along with solutions. If you are still having trouble with this, don’t hesitate to consult a professional. Give a ring to <b>1.855.738.2784</b> and discuss your queries with them.</div><div style="text-align: center;"><b><i>You May Also Read: <a href="https://hackmd.io/@markwilliam8506/if-quickbooks-is-not-working-go-through-this-blog">Why is QuickBooks Not Working?</a></i></b></div></div></div></div></div>