QuickBooks is remarkable accounting software. It helps small & large businesses to manage their books effectively and easily. But it also encounters some errors like QuickBooks Error Code 502. One can also easily resolve this issue. Just stick to this article and get the solutions to cure it more easily.

What is QuickBooks Error 502 Bad Gateway Error?

QuickBooks error 502 bad gateway appears when the user wants to update the QB Desktop software. It also appears on the screen while accessing the QB account on a browser. Don’t worry if you get this error on your screen, it is very convenient to terminate the issue.

Symptoms of QuickBooks Error 502 Bad Gateway Error

  • QB Error code 502 appeared on the screen.
  • You will not be able to update the QB Desktop software.
  • You are not able to access the files or books of the company.

Why QuickBooks Error 502 Bad Gateway Errors?

Error 502 bad gateway in QuickBooks is displayed because of the following major reasons bulleted below:

  • Browser History is not cleared or deleted.
  • Malware or virus attacks can create this issue.
  • The official website is not set as a trusted site in your browser because of which you can encounter this error.
  • Due to full memory for the cache files.
  • You may face this error if the cache files or memory are not deleted.
  • You can also face this 502 error if you do not turn on Active Script in the internet options.
  • You may encounter this error while running Payroll.
  • One can have the error code on your screen while updating the QuickBooks app.
  • You can face this error while viewing & downloading forms in the respected browser.

How to fix QuickBooks Error 502 Bad Gateway Error?

After getting in touch about the main causes & symptoms of QB Error 502, now it turns to fix this issue. Effective methods are here below to resolve this issue but one should use the best error after analyzing the major cause:

  • Add Intuit as Trusted Website
  • Delete QuickBooks App Cache
  • Download the Transactions manually
  • Review the Active Script Settings
  • Scan & Remove Viruses and Infections
  • Delete Cookies & Cache files from the Web Browser

Method 1:- Delete Cookies & Cache Files From the Web Browser

Whenever users visit any web page, the browser saves the data for quick surfing for next time in the cache memory but when this memory or space gets filled then you may encounter this QuickBooks Error code 502. To rectify this error steps for different web browsers are listed below:

Google Chrome

  • Start “Google Chrome”.
  • Look at the 3 dots in the upper right corner.
  • Click on it.
  • Later on, choose the option “More tools”.
  • After that, tap on the “Clear browsing data” icon.
  • Ensure to select using the “Time range” list.
  • One should choose the following listed options:
    • Cookies
    • Browsing
    • Cached Images and Files
    • Other Site Data
  • At last, click on the option “Clear data”.

Internet Explorer

  • Once again, if you are using “Internet Explorer”.
  • Just open it.
  • Choose the option “Tools”.
  • Tap on the option “Internet”.
  • Using the tab “General”, choose the tab “Delete”.
  • Click the option having the temporary internet files.
  • At last, click the button “Delete”.

Mozilla Firefox

  • If you are using the browser “Firefox”, just open it.
  • Look at the 3 three bars on the top.
  • Choose the icon “Options”.
  • Open the “Privacy and Security” tab.
  • Mark on the options “Cached Web Content” & “Cookies and Site Data”.
  • Finally hit the option “Clear”.

Method 2: Add Intuit as Trusted Website

To fix this Error 502 bad gateway one should set Intuit website a trusted website using the following mentioned steps:

Internet Explorer on Windows

  • Firstly, open the browser “Internet Explorer”.
  • Choose the “Tools” menu.
  • Click on the icon “Internet Options”.
  • Go to the tab “Security”.
  • Later on, select the option “Trusted sites”.
QuickBooks Error 502
  • A new window will have appeared, now in the field type “Intuit.com”.
  • Ensure not to have the checkmark for the server.
  • Choose the option “Add”.
  • Hit the button “OK”.

Safari on Mac

  • Open the browser “Safari”.
  • In the address bar, type “com”.
  • Hit the key “Enter”.
  • Choose the option “Bookmark and Add Bookmarks”.
  • Look at the drop-down menu “Add this page”.
  • Click on the icon “Add”.

Method 3: Delete QuickBooks App Cache

To resolve the QuickBooks App 502 bad gateway errors, one should load or save the data properly & timely. To do so steps are here below:

  • Firstly, open “QuickBooks”.
  • Using the top menu, click on the tab “Help”.
  • Choose the option “Reset App Data”.
  • Later on, select the application.
QB Error 502

Method 4: Download the Transactions Manually

If you are looking this 502 code on your screen then one can try to download the Transactions manually. Steps are mentioned below:

  • Choose the menu “Banking” menu.
  • Now mark the accounts which you want to update.
  • After selection, click on the option “Update”.

Somehow you may find duplicate entries because of the period just after the maintenance updates. You can also separate these transactions from the page. To perform this process steps are here below:

  • Visit the “Banking” menu.
  • Open the tab “Review”.
  • Mark all the duplicate entries.
  • Now choose the tab “Batch actions”.
  • Go for the option “Exclude selected”.
  • Now you can download all the transactions manually and start working.
QuickBooks Error Code 502

Method 5: Review the Active Script Settings

Somehow many users use QB Online using the Browser i.e. Internet Explorer. That’s why it is recommended to review the browser settings. In this way, one should check the Active Script settings to prevent this QB Online error 502 bad gateway. To do so steps are under below:

  • Firstly, open “Internet Explorer”.
  • Now click on the menu “Tool”.
  • Choose the icon “Internet Options”.
  • Open the tab “Security”.
  • Click on the icon “Internet”.
  • Choose the “Custom Level”.
  • Tap on the option “Enable Active Scripting”.
  • After that, hit the button “OK”.
QB Error Code 502

After considering the above-mentioned steps, one can easily enable the Active Script settings.

Method 6: Scan & Remove Viruses and Infections

In case your system is being infected by viruses or malware then you should scan the system thoroughly and delete the infections and viruses. One can use the antivirus programs like McAfee or Norton. You just need to delete the data which is moved in the quarantine folder as an anti-virus.

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