To fix the DLG_FLAGS_INVALID_CA error, you need to know what it is. If you see this error code, in most cases it indicates a problem with your website certificate. It could also mean that the website certificate has expired, has not been installed correctly, or is not recognized by your browser.

Usually this error code has something to do with the certificate of a particular website, which only the website owner or administrator can check. However, there are situations where this error occurs because of the default browser on the user side. In this case, there are several possible solutions with which you can try to solve the problem.

The DLG_FLAGS_INVALID_CA error code is a common error that can appear in some browsers. The error can be caused by several reasons:

How can I then fix the error code: DLG_FLAGS_INVALID_CA? Try the methods described below.

Clear browser cache

Reset Browser.

Change the time and date settings

You can try changing the time and date settings to eliminate the DLG_FLAGS_INVALID_CA error code. Here’s how to do it:

Step 1: Enter the date in the search box and click “Date and Time Settings”.

Step 2: Automatically turn on the time if it is off. If the time and date are not displayed correctly despite the “Set time automatically” option being turned on, try synchronizing your clock with your time server.

Step 3: Select the option to add clocks for different time zones.

Step 4: Select the “Internet Time” tab and click the “Change Settings” button.

Step 5: Check the “Synchronize with Internet Time Server” box, select the server from the drop-down menu and click “Update Now”.

Step 6: Try opening the website to see if the DLG_FLAGS_INVALID_CA error code appears again.

Try a different web browser.

The problem is often related to your web browser. The plugins and extensions you now have installed may not be properly configured. Your proxy settings may also be incorrect.

Use a different web browser to resolve the problem. For example, if the error occurs when you use Microsoft Edge, you can use other browsers such as Mozilla Firefox and Chrome.

Update your web browser.

The DLG_FLAGS_INVALID_CA error can also occur due to an outdated browser version. To update your web browser, follow these steps: