How To Fix “Failed To Download Launcher Data” Error On Synapse X

Are you getting error popup “Failed to download launcher data” on Synapse X?

Synapse X is a popular tool among software developers and Roblox players for script development and injection.

However, multiple users have reported an issue where they are unable to run the Synapse X due to a “Failed to download launcher data” error message.

The error message reads “Failed to download launcher data, This is usually caused by your Network firewall“.

In this blog post, we’ll discuss the possible causes of “Failed to download launcher data” error and provide solutions to fix it.

What Causes “Failed To Download Launcher Data” Error On Synapse X

As error message suggest, the “Failed to download launcher data” error message is related to the network firewall.

This error message can appear suddenly after a crash and may also be caused by antivirus software blocking Synapse X.

The issue can occur due to various reasons such as:

1. Network Firewall: The issue occurs due to the network firewall blocking Synapse X from connecting to its servers and downloading essential files.
2. Antivirus Software: The error message can also be caused by antivirus software blocking Synapse X from running on the system.
3. Corrupted Files: Corrupted or missing files can also lead to the “Failed to download launcher data” error message.

How To Fix “Failed To Download Launcher Data” Error On Synapse X

1. Disable Antivirus Software Temporarily

The “Failed to download launcher data” error on Synapse X may be caused by antivirus software blocking the application.

To fix this issue, you can temporarily disable your antivirus software and then try running Synapse X again.

Here are the steps to do this:

• Locate your antivirus software’s icon in the system tray, which is usually located in the bottom-right corner of your screen.
• Right-click on the icon and select the option to disable the software temporarily.
• Launch Synapse X again and check if the error message has been resolved.
• Once you have confirmed that Synapse X is working correctly, reactivate your antivirus software to ensure your system remains protected.

2. Re-extract And Reinstall Synapse X

If the issue is caused by corrupted or missing files, you can try re-extracting and reinstalling Synapse X to fix the error message.

Here are the steps to do this:

• Navigate to the folder where Synapse X is installed on your system.
• Right-click on the setup file and select the option to extract the files.
• Once the files have been extracted, uninstall Synapse X from your system.
• Reinstall Synapse X from the extracted files.
• Launch Synapse X again and check if the error message has been resolved.

3. Use A VPN

Using a VPN can help bypass the network firewall issue that may be causing the “Failed to download launcher data” error message on Synapse X.

Here are the steps to use a VPN:

• Download and install a VPN such as ProtonVPN on your system.
• Launch the VPN software and connect to a server.
• Launch Synapse X again and check if the error message has been resolved.

4. Use Mobile Data

If you’re using Synapse X to inject scripts into games like Roblox, using mobile data instead of a Wi-Fi connection may help bypass the network firewall issue.

Here are the steps to use mobile data:

• Turn off your Wi-Fi connection on your device.
• Turn on your mobile data connection.
• Launch Synapse X and check if the error message has been resolved.

5. Add Inbound And Outbound Rules In Windows Firewall

Adding inbound and outbound rules in Windows Firewall can help fix the “Failed to download launcher data” error message on Synapse X.

Here are the steps to add rules:

• Press the Windows key + R to open the Run dialog box.
• Type “wf.msc” in the Run dialog box and press Enter.
• In the Windows Firewall window, click on the “Advanced Settings” option.
• Click on the “Inbound Rules” option and then click on “New Rule.”
• Select “Program” as the rule type and click on “Next.”
• Click on the “Browse” button and navigate to the Synapse X installation folder.
• Select the Synapse X executable file and click on “Next.”
• Select the “Allow the connection” option and click on “Next.”
• Name the rule and click on “Finish.”
• Repeat steps 4-9 for “Outbound Rules.”
• Launch Synapse X again and check if the error message has been resolved.