Have you ever met can’t establish secure connection Dropbox error and what will you do when you meet this problem? From this post, you will get three efficient solutions to fix this error. You can get more information about Dropbox by clicking MiniTool.

How to Fix Can’t Establish Secure Connection Dropbox Error?

A large number of people said that they have met can’t establish secure connection Dropbox error. And this error will occur no matter what problems happened with the SSL (Secure Sockets Layer) certificates because all the Dropbox connections are established using SSL.

And because SSL certificates is very important for you to connect to Dropbox, this article will give you three most effective methods to fix this error. Then please refer to the following solutions carefully to avoid causing other problems.

Method 1: Make Sure the Date and Time of Your Computer Are Set Correctly

Your PC will make a comparison between the system date and the expiration date of the SSL certificate, therefore, it is pretty important to make these two settings match.

So if the two dates don’t match, then the can’t establish secure connection Dropbox error will occur. And for the sake of fixing Dropbox cannot establish a secure connection error, you are supposed to do the following things.

Step 1: Open Settings and click Time & Language in the Windows Settings window.

Step 2: Select Date & time from the left side menu.

Step 3: Make sure that both Set time automatically and Set time zone automatically options are turned on.

Step 4: If both of the two options are turned on while your system can’t access the internet, then you need to turn off the two options and click the Change button to set the time manually.

turn on Set time automatically and Set time zone automatically options

Method 2: Confirm Firewall and Antivirus Software Are Not Stopping the Dropbox Service

As we all know, antivirus software such as Windows Defender firewall will block any unauthorized internet services, so the possibility of Dropbox service being blocked is very high. Thus, you need to add Dropbox to the whitelist of your antivirus software.

Now let us take Windows Defender firewall as an example, you need to do the following steps to whitelist Dropbox.

Step 1: Enter Windows Defender in the search box next to Cortana and choose the best matched one to continue.

Step 2: Click Firewall & network protection to open a new window.

Step 3: Click Allow an app through firewall to open a new window.

click Allow an app through firewall

Step 4: Click Change settings and find the Dropbox from the list.

Step 5: Check Private and Public for this app and then click OK to save and apply the changes.

Method 3: Make Sure Your Default Proxy Settings Are Correct

Dropbox performs the data transfers using standard internet port (80 and 443), so it is very critical that those ports are open for connections.

However, some apps will change the default proxy settings finally when installed, you need to check whether your default proxy settings are correct. Here is the method.

Step 1: Click the Dropbox icon inside your system tray and then click Preferences.

Step 2: Click Network under Proxy Settings section to make sure you have set proxy settings correctly.

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Most Effective Ways to Recover Deleted Files from Dropbox

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Final Words

This article has introduced three efficient methods to you to fix can’t establish secure connection Dropbox error, so if you have met this problem, then you can try the above methods. Hope this article can help you.

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