QuickBooks is a popular accounting software used by businesses worldwide. However, users may encounter errors while working with QuickBooks, and one such error is QuickBooks Error 505. This error occurs when there is an issue with the HTTP version used by the server. In this guide, we will explore the causes of QuickBooks Error 505 and provide step-by-step solutions to help you resolve it. Additionally, we will address frequently asked questions related to this error.

How To Fix QuickBooks Error 505?
How To Fix QuickBooks Error 505?

1. Understanding QuickBooks Error 505:


QuickBooks Error 505 is an HTTP status code error that occurs when the server does not support or refuses to support the HTTP version used by the client. This error indicates a communication problem between the client (your computer) and the server hosting QuickBooks.

Read Also : How To Fix QuickBooks Error 503?

2. Causes of QuickBooks Error 505:


QuickBooks Error 505 can occur due to various reasons, including:

  • Outdated or incompatible browser.
  • Browser cache and cookies causing conflicts.
  • Firewall or antivirus software blocking QuickBooks communication.
  • Issues with the HTTP version used by the server.
  • QuickBooks software not up to date.

Read Also : How To Fix QuickBooks Error 502?

3. Solutions to Fix QuickBooks Error 505:


3.1 Solution 1: Refresh the Page:

Start with a simple solution by refreshing the page in QuickBooks. Follow these steps:

  • Click the refresh button or press the F5 key on your keyboard.
  • Alternatively, close the browser tab and open a new tab.
  • Access QuickBooks again and check if the error is resolved.

3.2 Solution 2: Clear Browser Cache and Cookies:

Clearing the browser cache and cookies can help resolve issues related to stored website data. Follow these steps:

  • Open your web browser (e.g., Google Chrome, Mozilla Firefox).
  • Go to the browser’s settings or options menu.
  • Look for the “Privacy” or “History” section.
  • Find the options to clear cache and cookies.
  • Select the appropriate options and clear the cache and cookies.
  • Restart the browser and try accessing QuickBooks again.

3.3 Solution 3: Use a Different Browser:

Sometimes, the error may be specific to a particular browser. Using an alternative browser can help identify if the issue is browser-related. Install and use a different browser (e.g., if you’re using Chrome, try Firefox or Internet Explorer) to access QuickBooks and check if the error persists.

3.4 Solution 4: Disable Firewall and Antivirus Software:

Firewall and antivirus software can sometimes interfere with the communication between QuickBooks and the server. Temporarily disable the firewall and antivirus software to check if they are causing the error. Follow these general steps:

  • Open the settings or preferences of your firewall and antivirus software.
  • Locate the options to disable or turn off the protection temporarily.
  • Disable the firewall and antivirus software and try accessing QuickBooks again.
  • If the error is resolved, add QuickBooks as an exception or allow it through the firewall and antivirus software.

3.5 Solution 5: Update QuickBooks to the Latest Version:

An outdated QuickBooks version may have compatibility issues with the server’s HTTP version. Ensure that QuickBooks is updated to the latest version available. Follow these steps to update QuickBooks:

  • Open QuickBooks and go to the “Help” menu.
  • Select “Update QuickBooks” from the drop-down menu.
  • Click on the “Update Now” tab.
  • Select all the available updates and click “Get Updates.”
  • Wait for the updates to download and install.
  • Once the update process is complete, restart QuickBooks and check if the error is resolved.

Read Also : How To Fix QuickBooks Error 500?

4. Frequently Asked Questions (FAQs):


4.1 What is QuickBooks Error 505?

QuickBooks Error 505 is an HTTP status code error that occurs when the server does not support or refuses to support the HTTP version used by the client. It indicates a communication problem between the client and the QuickBooks server.

4.2 Why does QuickBooks Error 505 occur?

QuickBooks Error 505 can occur due to reasons such as outdated or incompatible browsers, browser cache and cookies conflicts, firewall or antivirus software blocking QuickBooks communication, issues with the server’s HTTP version, or outdated QuickBooks software.

4.3 How can I resolve QuickBooks Error 505?

To resolve QuickBooks Error 505, you can try refreshing the page, clearing browser cache and cookies, using a different browser, disabling firewall and antivirus software temporarily, or updating QuickBooks to the latest version.

4.4 How can I prevent QuickBooks Error 505 in the future?

To prevent QuickBooks Error 505, ensure that you are using a compatible and up-to-date browser, regularly clear browser cache and cookies, configure firewall and antivirus software to allow QuickBooks communication, and keep QuickBooks software updated to the latest version.

Read Also : How To Fix QuickBooks Error 5?

5. Conclusion:


QuickBooks Error 505 can disrupt your workflow, but by following the solutions provided in this comprehensive guide, you can effectively resolve the issue. Understanding the causes of the error and implementing the step-by-step solutions will help you overcome the problem. If the error persists, it is recommended to seek further assistance from QuickBooks support or consult with a professional.

Geeks Jonson : Jonson is a highly skilled accounting specialist and QuickBooks expert with a deep passion for numbers and financial management. With years of experience in the field, Jonson has established himself as a trusted professional known for his exceptional expertise in accounting and proficiency in QuickBooks software. Jonson's comprehensive knowledge of accounting principles, financial analysis, and regulatory compliance sets him apart in the industry.