Fluxus Executor is a simple tool for running scripts in the game Roblox. It works on both Android devices and Windows PCs.
Like any software, it may encounter errors that can hinder the gaming experience.
The error ‘Your key Was Invalid’ is a common problem faced by Fluxus users.
In this article, we will explore the potential causes of this error and explore effective solutions to fix it.
Why Is Fluxus Saying “Your Key Was Invalid”?
Seeing “Your Key was Invalid” on Fluxus can happen for different reasons.
Your key might have expired since Fluxus keys are only valid for a limited time.
To fix this, get a new key from the official website.
Once you have a new key, make sure to verify it for successful use with the Fluxus executor.
If you face an “invalid key” error during verification, it could be due to a technical problem with the Fluxus executor or the key system.

We have identified several workarounds that could potentially resolve the issue.
However, if none of these workarounds work, it is advisable to seek further assistance by reaching out to the support team.
How To Fix “Your Key Was Invalid” On Fluxus?
To resolve the key was invalid issue on Fluxus, you can verify your key, try adding a new key, ensure that the application is up to date, and reinstall Fluxus.
We have discussed the fixes in greater detail below.
1. Verify Your Key
After getting a Fluxus executor key, it’s crucial to verify it on the official Fluxus website for smooth access.

This verification is vital to make sure you can securely enjoy Fluxus services.
To check your Fluxus key, just do these easy steps from the official Fluxus website:
- Launch the Fluxus executor on your device (PC or mobile).
- Click on the “Get Key” button to copy the Fluxus Key Link to your clipboard.
- Go to the official Fluxus website and paste the key link into the “Verify Key” section.
- Follow the instructions provided on the website to complete the verification process.
- Once your key is verified, you should be able to use the Fluxus executor without any issues.
2. Get A New Key
If you see “invalid key,” it means your key is likely expired or not working.
To fix it, just get a new key from the official Fluxus website.
This easy step ensures you have a working key, so you can use Fluxus without any issues.
To check your Fluxus key, go to the official Fluxus website and follow these steps:
- Launch the Fluxus executor on your device (PC or mobile).
- Click on the “Get Key” button to copy the Fluxus Key Link to your clipboard.
- Go to the official Fluxus website and paste the key link into the “Verify Key” section.
- Follow the instructions provided on the website to complete the verification process.
- Once your key is verified, you should be able to use the Fluxus executor without any issues.
3. Check For Updates
If the error still persists, then check if any updates are available, and if so, make sure to install them.
If not, try updating it and then check if the issue of the “Your key Was Invalid” has been resolved or not.
To ensure you have the latest Fluxus version, follow these steps:
- Visit the official Fluxus website.
- Locate and download the latest Fluxus version suitable for your device (Windows, Linux, or APK for Android).
- Install the downloaded version of Fluxus Executor.
- Launch Fluxus Executor to see if the issue has been fixed.
4. Uninstall And Reinstall Fluxus
Lastly, if none of the above solutions has worked for you, try uninstalling Fluxus from your device and then reinstalling it from the official website.
Once the application is reinstalled check if the error still persists or not.
Here are the steps to uninstall and reinstall the Fluxus Executor on Windows:
- Press the Windows key + I to open the Settings menu.
- Go to Apps or Apps & Features in the Settings menu.
- In the search bar, type Fluxus to locate the application.
- Once you find Fluxus in the list, click on it to select it.
- Click on the three dots (or More options) button, usually located next to the app’s name.
- From the dropdown menu, choose Uninstall to remove Fluxus from your PC.
- Download the Fluxus installation file from the official website.
- Once the download is complete, locate the file and run it to install Fluxus on your PC.
5. Contact Fluxus Support

If the previous solutions didn’t work, it’s best to reach out to Fluxus support for assistance.
They can give you personalized guidance and solutions that are more suitable for you.