Can't log into my account via Google Chrome

If you cannot log into your ePayments account via Google Chrome, the reason may be the ERR_SPDY_PROTOCOL_ERROR.

The ERR_SPDY_PROTOCOL_ERROR error is specific to Google Chrome browser. It occurs due to the SPDY networking protocol, which is used by Google to load web pages faster.

This means, that the error is triggered on the outside and cannot be prevented by ePayments. However, you can check your browser settings to fix this error yourself. This article lists several methods that can help you.

How can I figure out if there's an error?

To check whether there is the ERR_SPDY_PROTOCOL_ERROR error, in the Google Chrome browser:

  1. Click More in the top right corner.
  2. Select More Tools > Developer tools.
  3. Open Console tab.



If the error is present, it will be displayed in the Console tab:


How can I fix the error?

  1. Update Chrome browser version

The reason for the error may be that you are using an outdated version of Google Chrome. By default the browser is automatically updated, but we recommend that you check the most up-to-date version and, if necessary, update the browser.

  1. Log in from another browser

The ERR_SPDY_PROTOCOL_ERROR error is specific to Google Chrome. Try using another browser to log into your ePayments account. Aside from Google Chrome, the ePayments website works in Firefox, Opera, Safari, Yandex browser and Microsoft Edge browsers.Using any other browsers may results in some elements of the ePayments website being displayed incorrectly.

  1. Use incognito mode in Chrome

Log into your ePayments account via incognito mode. To use incognito mode in Google Chrome click More in the top right corner and select New incognito window.


If authorization via incognito mode was successful, then you need to clear the cache and cookies. After clearing the cache and cookies you should be able to log into your ePayments account without using an incognito tab.

  1. Clear cache & cookies

The ERR_SPDY_PROTOCOL_ERROR error can be solved by clearing the cache and cookies. To do this in Google Chrome:

  1. Click More in the top right corner and then Settings.settings.png
  2. Scroll down and click Advanced.
  3. Select Privacy and security > Content settings > Cookies.
  4. Go to See all cookies and site data and click Remove All.


You can also reset browser settings and return to the default settings. To reset your browser settings: in the Advanced section scroll down to the Reset and clean up and select the Restore settings to their original defaults.

Please, note: resetting your browser settings will also reset and turn-off user settings (extensions, themes, etc). You will need to turn them back on. In order not to lose access to your bookmarks and personal data, we recommend that you sync them with your Gmail account prior to resetting.


  1. Check antivirus settings

In some cases, your antivirus setting can cause the ERR_SPDY_PROTOCOL_ERROR error to appear. To fix this, add the to your list of antivirus website exceptions.

For Avast Security antivirus also try to adjust settings for Avast Antivirus shields by lowering Core Shields sensitivity, but only when trying to log into your ePayments account. Do not forget to restore previous settings after login attempt.

  1. Temporarily disable your firewall

Disable the Firewall immediately before attempting to log into your ePayments account, and enable it immediately after. Depending on your operating system type and version, the ways to disable the Firewall will differ. More on how to disable firewall for Windows and MAC.

  1. Flush Socket

To flush sockets cache in Google Chrome:

  1. Open Chrome browser and paste this URL chrome://net-internals/#sockets in the address bar.
  2. Press Flush socket pools in the newly opened window.
  3. Re-load the ePayments website page and try to log into your account.flush_socket.png
  1. Flush DNS cache

The ERR_SPDY_PROTOCOL_ERROR error can also be fixed by flushing the DNS cache from your system.

Windows OS:

  1. Open Windows Command Prompt (CMD). Press WIN+R, enter CMD and press OK.
  2. Copy paste this ipconfig /flushdns command and press Enter.
  3. Relaunch Google Chrome.
  4. Open ePayments website and try to log into your account.


  1. Open Terminal application.
  2. Copy paste DNS cache flush command and press Enter. The exact command depends on your MAC OS version.
  3. Relaunch Google Chrome.
  4. Open ePayments website and try to log into your account.

If none of the methods above helped you to solve the ERR_SPDY_PROTOCOL_ERROR authorization error and you are still unable to log into your ePayments account, please contact us.