VPN blocked by Java security on PC

• Java provides an API that secures network settings for its users called Java security.
• Unfortunately, Java security has a habit of blocking VPNs, which is not convenient.
• Blocking your VPN means that your privacy may be jeopardized.
• If you notice that Java is blocking your VPN, check out our guide and learn how you can fix it.

Is your VPN blocked by Java security? Are you having issues accessing some websites while on VPN? Do not panic! Windows Report will show you how to bypass this problem.

Many users reported that after the installation of their VPN client as well the required components, their VPN software got blocked by Java security.

Meanwhile, when they attempt to connect their VPN, they get the ‘Application blocked by Java Security’ prompt. Therefore, we have enlisted the best workarounds to solve the VPN blocked by Java security problem.

FIX: Java Security blocked VPN

1. Use a better VPN software

The best VPNs in the world are designed to also be able to work around common obstacles such as Java security blockages.

That being said, if your current VPN is incapable of connecting because of Java security, then you might as well replace it with a far better alternative.

In the case at hand, the best VPN that you could possibly get for your devices is Private Internet Access.

Not only is PIA owned by Kape Technologies (the same that own CyberGhost) very easy to use, but it is optimized in a way that you don’t need to be tech-savvy in order to tweak your connectivity options.

The service has 3300 servers in 46 different countries, so not only will you get a VPN that works, you will get a VPN that offers worldwide coverage.

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2. Add an exception in Java

Sometimes, VPN users get blocked within web browsers such as IE, Mozilla Firefox, Google Chrome, etc most especially when they want to access Java web contents; therefore, it is necessary to add such websites to the exception list in Java.

Here’s how to do this in Java‘s Control Panel:

• Go to Start> type Java control panel and hit Enter’ key.
  • Alternatively, double-click on the Java icon at the taskbar to get the Java control panel dialog box.
• Now, go to the Security tab.
  • If the Security Level is set to Very High, reduce it to High.
• Click on the Edit Site List button
• Click Add to type in the site URL.
• In the highlighted line, type the URL, and then click the OK button.
• After launching your web browser and attempting the URL, the Do you trust prompt will come up, tick the Always trust boxes, and then click OK.

Note: If Java control panel dashboard did not come up, that means Java is incorrectly setup on your Windows PC. (Solution 7-how to setup Java).

3. Clear Java cache

Another way of fixing VPN blocked by Java security problems is by clearing Java cache.

Here’s how to clear Java cache:

• Go to Start> type Java control panel and hit Enter key
• Navigate to the General tab, and click Settings under the temporary internet files section.
• Click Delete Files on the temporary files settings dialog box
• Click OK on the Delete Files and Applications prompt and follow the prompts.
• Afterwards, launch your VPN.

4. Reinstall your VPN

Sometimes, your VPN client software may be installed incorrectly; therefore, you may have to reinstall it.

Here’s how to do this:

5. Clear web browser cache/Flush DNS

Some VPN users reported success in fixing the VPN blocked by Java security simply by clearing their web browser cache.

Meanwhile, DNS entries from your Internet Service Provider may be wrong. So, you need to flush the DNS and clear your web browser’s cache subsequently.

Here’s how to do this:

5.1. Flush the DNS

• Go to Start > Type command prompt
• Right-click “Start” and select Command Prompt (Admin)
• Type ipconfig /flushdns and press Enter.
  • You should get a confirmation that says: Windows IP Configuration Successfully flushed the DNS Resolver Cache

5.2. Clear Web Browser Cache

• Launch your web browser e.g. Microsoft Edge
• Press Ctrl + Shift + Delete to access the Clear recent history dialog box.
• Under the Time range to clear drop-down menu, select Everything.
• Make sure to check the Cache box.
  • Click on Clear Now

Note: Ctrl + Shift + Delete can also be used to clear cache on other web browsers such as Internet Explorer, Opera, Google Chrome, Microsoft Edge, Mozilla Firefox, etc.

6. Install Windows updates

Latest Windows updates improve the system’s stability and fix various issues you may encounter, and especially the situation where your VPN got blocked by Java security.

Nevertheless, you can follow these steps to update your Windows OS:

In the Windows Update window, check for updates and install the available updates.

7. Reinstall Java

Meanwhile, Java may have been installed incorrectly on your Windows PC. Therefore, in order to bypass the VPN blocked by Java security problem, you may have to uninstall Java from your Windows PC.

Here’s how to uninstall Java from control panel:

• Go to Start > Programs and features. Or, Go to Start > Control Panel > Uninstall a program
• In the list of installed programs, select all Java related programs, and then click the uninstall menu.
• Follow the prompts to complete uninstall process

However, because Java is required by some applications, then you have to reinstall Java on your Windows machine. For this purpose, you may have to check our guide so as to install Java afresh.

Hope this would help solve VPN blocked by Java security issue.

Your connection is not secure - websites you visit can find out your details:

• 
• Your IP Address:
  

Companies can sell this information, alongside your location and internet provider name, and profit from it by serving targeted ads or monitoring your data usage.

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