In this guide, you will learn how to fix the ‘Supplied Credentials Are Invalid’ error while playing The Texas Chainsaw Massacre (TCSM).
The ‘Supplied Credentials Are Invalid’ error is related to network and server issues with TCSM. Unfortunately, there is no specific fix for players. However, consider using the following workarounds to continue playing the game.
Texas Chainsaw Massacre ‘Supplied Credentials Are Invalid’ Troubleshooting
The simplest way to attempt to fix the ‘Supplied Credentials Are Invalid’ error while playing TCSM is to restart the game. You can also check the TCSM Server Status by following @GunGameSupport on X (formerly Twitter) if this method does not work. Lastly, consider contacting TCSM Support if in need of more help.
For additional workarounds, follow the below troubleshooting tips.
Check Your Internet Connection
Because the ‘Supplied Credentials Are Invalid’ error while playing TCSM is related to the Internet, check to make sure you have an active connection. You can also perform a simple speed test to check if this is the reason for the issue. Furthermore, avoid downloading files on your device while playing as this may use up unnecessary bandwidth.
Finally, consider playing on a wired network rather than a wireless one. This lets you use the Internet properly to give the game the necessary bandwidth to run smoothly.
Allow TCSM Through Windows Defender Firewall
If you are playing the PC version of TCSM, your Windows Defender Firewall may be causing the ‘Supplied Credentials Are Invalid’ error while playing TCSM. Follow the below steps to add the game to the Exception list.
- Open Windows Security > Firewall & Network Protection > Allow an app through Firewall.
- Search for The Texas Chainsaw Massacre game in the list.
If the above does not work, go to Change Settings > Add Another App > (Browse TCSM files) > Add the game to the Exception list.
Once TCSM is added to the Exception list, it should not run into any issues with Windows Defender.
Restart Modem & Router
Taking the extra time to restart your modem and router, which may have built up a large cache, could help solve issues like the TCSM ‘Supplied Credentials Are Invalid’ error. This will improve your network connection.
The Texas Chainsaw Massacre is a survival horror game developed by Sumo Nottingham and released in 2023 for PC, PlayStation 5, Xbox Series X|S, PlayStation 4, and Xbox One.
