Razer Synapse Not Opening – How To Fix?

When it comes to gaming peripherals, there are several brands that provide a wide range of options. The best budget-friendly option among them is the Razer brand. Along with excellent hardware options, it also provides software applications as well.

Their Razer Synapse program lets you configure the razer devices as per your requirements. However, in some situations, you may experience certain issues with this program where it doesn’t open simply.

So, we are going to provide some complete fixes for certain Razer Synapse not opening problem. You can find detail information about Razer Synapse program in this article.

What is Razer Synapse?

Before analysing the potential problem with Razer Synapse program, it is better to learn about the programs first. To say in simple terms, Razer Synapse is a companion software programmed for Razer peripherals.

A Razer Synapse is suitable for changing the functions of a Razer mouse, headset and keyboard. Some of these functions include configuring macrons, switching mouse sensitivity, changing RGB lighting, key mapping changes, configuring headphone equalizer, and many others. Actually, a Razer Synapse is very essential for getting the best of Razer peripherals.

Why is the Razer Synapse not Opening?

Coming to the issue of the Razer Synapse not opening, it simply doesn’t allow you to open the Razer Synapse program. As a result, you cannot adjust any of the settings of your Razer peripherals or use macros that require the program to be open at all times.

Talking about why this error might occur, there are a number of possible reasons for the same. In some cases, the Razer Synapse program itself might be corrupted. While in others, there might be something wrong with Windows or the drivers installed in it. Not only that but third party frameworks like Microsoft .NET can also cause issues with it.

Fix Razer Synapse not Opening Issue?

Now that you know more about the Razer Synapse program and why it may have issues, you might be interested in fixing the not opening issue right away. As we mentioned earlier, there are various multiple causes due to which this issue might be caused.

Thus, we are here with the following fixes for the Razer Synapse not opening issue. You can simply go through the following fixes one by one and successfully fix the Razer Synapse not opening issue:

1. Reinstall Razer Synapse

If you are facing any kinds of issues with any program on your computer, the first and the easiest fix that you can try is to simply reinstall it. This also means that it Razer Synapse is not opening on your computer, you can try reinstalling it as shown here

  • First, search for Add or Remove Programs using Windows Search and open it.
  • In here, you will find a list of all the programs currently installed on your computer. Use this list to find and uninstall Razer Synapse from your computer.
  • After you have uninstalled it, restart your computer to ensure all temporary data is gone as well.
  • Then, go to the Razer website and download the latest version of the Razer Synapse installer.
  • At last, simply open this installer and follow all the on-screen instructions to successfully reinstall Razer Synapse.

2. Reinstall Razer Device Drivers

unintall device

Other than the Razer Synapse software itself, all Razer peripherals also require a Razer device driver to function properly. And if there are any issues with this driver, then you might not be able to open Razer Synapse. Thankfully, you can fix this driver issue by simply reinstalling Razer device drivers by following these instructions:

  • To reinstall Razer device drivers, first, open Device Manager by pressing Windows Key + X on your keyboard and opening Device Manager from the list.
  • Here, expand the Mice and Other Pointing Device list, Keyboard list, and Human Interface Devices list.
  • If you see any Razer devices within these lists, right click on it and select Uninstall Device.
  • Now, unplug all of your Razer devices and restart your computer. Once it is restarted, simply plug all of them back, which will reinstall all Razer device drivers automatically.

3. Uninstall Razer Surround

While the primary device software for all Razer devices happens to be Razer Synapse, some Razer gaming headphones may also rely on the Razer Surround applications. Even though this application is great for getting surround sound out of your Razer headphones, it can interfere with Razer Synapse on your computer.

If you are also using Razer Surround along with Razer Synapse, then it is highly recommended to uninstall Razer Surround by going through these steps:

Uninstall Razer Surround

  • Press Windows Key + R on your keyboard to open Windows Run.
  • In here, type appwiz.cpl and press enter to get a list of all the apps currently installed on your computer.
  • At last, simply find Razer Surround, click on it, and select Uninstall to get rid of it. You can also consider rebooting your computer to make changes to Razer Synapse and get it working.

4. Clear Temporary Files Related to Razer Synapse

Similar to any other program installed on your computer, Razer Synapse also stores a lot of temporary files on your computer. And while these temporary files are there to store your configuration and make the program faster, they may cause issues like Razer Synapse not opening if the temporary files themselves are corrupted.

Therefore, it is always a great idea to regularly clear temporary files related to Razer Synapse using Windows Run as described here:

temp files

  • To begin, press Windows Key + R on your keyboard and type %temp% followed by an Enter in Windows Run.
  • Once you are in the LocalTemp folder, simply press Control + A on your keyboard to select files.

LocalTemp folder

  • Then, delete all of these files by pressing Shift + Delete, which will get rid of all temporary files from your computer, including Razer Synapse.
  • Now, try relaunching Razer Synapse after rebooting your computer since all possible corrupted temporary files are gone.

5. Install Microsoft .NET Framework

Microsoft .NET framework is highly popular and highly used by all kinds of Windows programs including Razer Synapse. This framework is meant to offer better efficiency compatibility to Razer Synapse which should prevent the Razer Synapse not opening issue. Thus, if you have not installed the Microsoft .NET framework on your computer, follow the given instructions to do the same:

  • First, head over to the Microsoft .NET framework website and download the latest version.
  • Then, open this installer and proceed with installing this framework on your computer.
  • Once you have installed the Microsoft .NET framework, relaunch Razer Synapse which will fix any issues with it.

6. Disable your Anti-Virus and Test Razer Synapse

There is a pretty high chance that you are also using an anti-virus program on your computer for protection against cyber attacks. While anti-virus programs are meant to get rid of malicious files from your computer, they can also interfere with third party programs in some cases.

As a result, if you are using Razer Synapse and it is not opening, then you can consider disabling your anti-virus program as shown:

  • If you are using a third-party anti-virus program, simply open it and go to its preferences. In here, disable all real-time protection options as they are the pens that can interfere with Razer Synapse.
  • But if you are using Windows Defender as your preferred anti-virus, then you have to use Windows Search to look up Virus & Threat Protection settings.
  • After opening Windows Settings, simply disable Real-time Protection. You can then restart your computer and try reopening Razer Synapse, as it should work just fine now.

7. Disable Core Isolation

Core Isolation is a security feature of Windows 10 that is responsible for running Windows System Processes by creating a secure partition of the system memory. While it is there to protect all of the Windows system processes from different possible virus and malware attacks, it can also interfere with Razer Synapse and prevent it from opening. Thus, you can also consider disabling core isolation as shown in the given instructions:

  • For disabling core isolation, first search for Windows Security using Windows Search and open it.
  • Now, head over to the Device Security tab from the left side panel menu and open the Core Isolation Details settings.
  • After this, simply disable the Memory Integrity option and restart your computer.
  • At last, Razer Synapse will start working if it has issues due to Core Isolation in Windows.

8. Turn off Windows Firewall

If you have used Razer Synapse in the past, then you must know that it is a cloud-based program that syncs all of your settings in the cloud. Because of this, if it is not able to access the internet properly, then Razer Synapse might not open up.

This might be caused due to the Windows Firewall preventing internet access to Razer Synapse. Thus, you can try turning off Windows Firewall as shown here to fix Razer Synapse not opening issue:

  • In order to disable Windows Firewall, press Windows Key + R on your keyboard. Once you are in the Windows Run window, type firewall.cpl and press enter on your keyboard.
  • Then, click on the Turn Windows Defender Firewall On or Off from the left side panel menu,

Turn off Windows Firewall

  • Finally, select the Turn Off Windows Defender Firewall option under both the public as well as private network sections and click on OK.
  • At last, reboot your computer and try relaunching Razer Synapse after which it should launch right away.

9. Shutdown Razer Background Process

Just like most other programs running on your Windows computer, Razer Synapse also has its background processes. While this process is there to offer extra functionality to Razer Synapse, it can sometimes prevent Razer Synapse from opening. In such a case, you can try to shutdown Razer background processes via Task Manager:

  • For opening Task Manager on your computer, press Control + Shift + Escape on your keyboard.
  • Once you are in Task Manager, click on More Details and go to the Processes tab.
  • Here, find all of the processes with Razer in their name and select all of them one by one followed by clicking on the End Task option.
  • After you have done this to shutdown all Razer background processes, simply relaunch Razer Synapse on your computer without having the not opening error.

10. Check for Windows Updates

Even though all the various fixes stated above are quite handy and effective for fixing the Razer Synapse not opening issue, they might not work if the Windows installed on your computer itself is corrupted. Therefore, it is also a great idea to check for any possible Windows Updates via Windows Settings by going through these steps:

updates windows

  • To check for Windows Updates, press Windows Key + I on your keyboard to open Windows Settings.
  • Now, head over to the Update & Security menu and select the Windows Update tab present in the left side panel.
  • Finally, click on the Check for Updates option in Windows Settings which will make your computer check for any available updates. If there are any updates available, they will be automatically downloaded and installed, fixing issues like the Razer Synapse not opening.


Upon checking all the various Razer Synapse program details stated above, you must have fixed the Razer Synapse not opening issue. This is possible as we have stated various fixes related to the Razer Synapse up above. In fact, we have even discussed the Razer Synapse program itself in detail.

Thanks to these, you should be able to use Razer Synapse along with your Razer peripherals without any issues. If you have gone through all the various solutions present above regarding the Razer Synapse not opening issue, make sure to share your thoughts in the comments section. You can also post any questions down there if you have any!

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