How to fix netmarble Launcher errors on PC Windows 7/8/8.1/10/11

[Ageon Mystmir]

Struggling with the Netmarble Launcher? You're not the only one. Countless players have faced frustrating issues with the launcher, but fear not – the RXL-Realms Community is here to help. With a wealth of knowledge and experience, our community has compiled a range of solutions for common error messages and launcher crashes. From troubleshooting tips to expert advice, we've got everything you need to get back to gaming in no time. Don't let Netmarble Launcher errors hold you back – let the RXL-Realms community guide you to a seamless gaming experience. This thread will be split up on multiple posts. Please take your time reading which post suits your issue. Consider joining our [Discord] server.

Related issues:
How to fix PC Version - Solo Leveling:ARISE - Netmarble Crash?
How to solve fix Solo Leveling:ARISE - Netmarble launch errors on Android?

Universal solutions you have to try:
1. Set one browser as default and relink your google account from the starting screen. If the issue still persists it might be that the game itself has 3 main issues.
2. Changing DNS IP may workout or VPN connection as it doesn't reach to it the data of authentication on your end to their own end.
3) The second issue is that your device is blocking your game by process in the background or any 3rd party software/app. Make sure if you have installed something recently which has made the game act funny.
4) Bugged or conflicted files in the game installation folder so try to run the game as administrator and/or netmarble launcher and in worst scenario case redo the entire installation process but just make sure your progress was bound to your account.

Table of content:
Unknown Error via EACCESS Error
Failed to create Folder or cannot find path Error
Connection to server failed or Stuck at loading screen Error
Netmarble multi instance Error
Continues/Infinite Loop Account Verification Error
Stuck at tutorial screen Error
Windows Blackscreen Error
INVALID-NETWORK Error
Report form to netmarble

[Ageon Mystmir]

If you encounter an EACCESS error, you will need to do the following
1. Restart your computer: Sometimes, a simple restart can fix many issues with the Netmarble Launcher. Close all programs and restart your computer to see if the issue is resolved
the launcher as an administrator.
2. Run the launcher as an administrator: Right-click on the Netmarble Launcher icon and select "Run as administrator" to give it administrative privileges. This can help fix any permission issues that may be causing errors.
3. Reinstall the launcher: If none of the above solutions work, try uninstalling and reinstalling the Netmarble Launcher. This can help fix any corrupted files that may be causing errors.

[Ageon Mystmir]

If you are unable to run the game due to issues with the launcher or the game's own path, you will need to take the following steps and in this case, it is recommended to install the game on Partition D.

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"D:\Netmarble\Launcher" for the launcher
"D:\Netmarble\Netmarble Games" for the games.
In other words you should install the files of launcher in D:\Netmarble\Launcher and once the launcher starts, you can change the settings for netmarble launcher to install sololeveling under D:\Netmarble\netmarble Games
Once you install the launcher in the path we have agreed on, you can go to settings and change game folder path to the desired path. Of course you must make sure that the game folder is created and existent in the path otherwise the launcher may not find the folder to install the game under.

[Ageon Mystmir]

If you experience server connectivity issues or stuck at blackscreen, you will need to do the following:
1. Try switching to different DNS IPs such as

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8.8.8.8 and 8.8.4.4 by Google or
1.1.1.1 and 1.0.0.1 by Cloudflare.
2. Disable your antivirus from the software itself, disable firewall from Network and sharing center and disable windows defender from services list via management by clicking right at PC icon on the desktop: Sometimes, antivirus programs can interfere with the Netmarble Launcher and cause errors. Temporarily disable your antivirus and see if the issue is resolved.
3. Check your internet connection: Make sure you have a stable internet connection while using the Netmarble Launcher. if your connection is unstable, it can cause errors and prevent the launcher from working properly
4. Update your graphics drivers: Outdated graphics drivers can cause issues with the Netmarble Launcher. Make sure to update your graphics drivers to the latest version.
5. Clear the launcher cache: Open the Netmarble Launcher settings and click on "Clear Cache" to remove any temporary files that may be causing issues.

If you experience infinite loop loading during login attempt or account login issues via google generally then consider doing the following:
1. Clear data/storage then relog your account if you are using android (Note: this will delete your current progress)
2. If you are using PC, to authenticate google account you have to install opera or chrome and set any as default browser so the game can launch authentication link via that browser.
3. Use VPN to test the connection and choose the most compatible and nearest region to the game server itself
4. Use Virtual machine or VPS near Europe region suggested by @HEHE-BOEY

[Ageon Mystmir]

 
If you are experiencing netmarble multi instance error then do the following:
1. Close any running web browsers and relaunch the game.
2. Restart your PC and launch the game.
3. Locate the process using task manager and kill it then restart PC then relaunch the game.
4. First, open the control panel. Then, click on the "hardware and sound" option. Next, select "power options." On the left side, click on "Choose what power button do." Change the setting to "currently unavailable." Turn off the fast start up option. Finally, restart your PC.

In worst scenario case you may consider logging in as Administrator account on PC version to check service list or processes in the background to eliminate the problem. Check services for netmarble via management. Might have been stuck somewhere, also make sure you are not running the game on different devices at the same time.

[Ageon Mystmir]

If you experience infinite loop loading during login attempt or account login issues via google generally then consider doing the following:
1. Clear data/storage then relog your account if you are using android (Note: this will delete your current progress)
2. If you are using PC, to authenticate google account you have to install opera or chrome and set any as default browser so the game can launch authentication link via that browser.

[Ageon Mystmir]

To fix this issue, restart the game and wait until the tutorial starts. Once it does, look at the top right of your screen. When the Pause icon appears, tap on it immediately. Then, go to the settings and change your control to Touchscreen. This will resolve the bug that causes mobile phones to default to using a gamepad instead of touchscreen controls.

[Ageon Mystmir]

You may experience black screen on PC version. The solution is simply to erase the registry key folder named "game" and Re-launch the game after re-installation. To do so run regedit.exe from run and search up term "netmarble" so the entire path must be like this:

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Computer\HKEY_CURRENT_USER\Software\Netmarble Corp\sololvA\gameRemember to export the registry key and back it up just in case. The issue may not be from registry always. It might be your graphic cards so consider updating your drivers or upgrading the graphic cards or lower the game graphic settings if you have access to it.

[Ageon Mystmir]

To delete all instances in Task Manager or To redo the download or To reset the network invalidation generally, press Win + R and type in '%appdata%' to access the AppData folder. Look for the Netmarble folder and delete it. Then, go to the installation folder and open the Application file .exe directly instead of using the launcher. This will ensure a clean removal of all Netmarble files and a clean boot.

[Ageon Mystmir]

To summarize:
If you are able to play other games with different DNS and the same required OS version, then the issue may be on their side. If you are stuck on the loading screen or experiencing a black screen, you may want to try the previous solution. Additionally, make sure that your storage, internet, and Android/Windows system version meet the requirements and that no other apps/programs are running in the background. However, A black screen may be caused by a poor internet connection or not meeting the necessary specifications, which is a common issue for many unity games. For an actual support Contact Netmarble support: If none of the above solutions work, you can contact Netmarble support for further assistance at:
[Netmarble Dyno Discord Report Form]
[Official Netmarble Report Form]
They may be able to provide a solution specific to your issue and if they take your report, it will be added [THERE].