Home > Texas Chain Saw Massacre > Texas Chainsaw Massacre Supplied Credentials Are Invalid Fix

Fix ‘Supplied Credentials Are Invalid’ Error Texas Chainsaw Massacre

Published Date :

The ‘Supplied Credentials Are Invalid’ error in Texas Chainsaw Massacre Game is related to network and server issues. So if you are looking to workaround this error, our guide has the answer you need. Since there is not much that players can do to fix it, they are missing out on valuable gaming time. Hopefully, this guide is all you will need as you look to fix ‘Supplied Credentials Are Invalid’ error in TCSM.

Texas Chainsaw Massacre ‘Supplied Credentials Are Invalid’ Troubleshooting Tips

TCSM 'Supplied Credentials Are Invalid' Fix

Although there is no permanent fix to this error, there are a few troubleshooting tips that you should try out. Players can head for a simple restart of Texas Chainsaw Massacre Game if they want to workaround the ‘Supplied Credentials Are Invalid’ error. Since this is a network issue we also recommend you check the TCSM Server Status if the restart did not work. If you are still facing the same issue, we recommend you try the troubleshooting tips mentioned below.

Check Internet Connection for Game Network Error

Since the Texas Chainsaw Massacre ‘Supplied Credentials Are Invalid’ error is connected to your Internet network, the first thing to do is make sure your Internet Connection is working. A speed test works splendidly and will give you an idea if this is the reason of the issue. Along with that, avoid any major download on any of your devices that might use up more Bandwidth to steer clear of connection issues.

Additionally, it’s best if you are using a wired network instead of a wireless one. This allows you internet to work properly and the game will get the necessary bandwidth fluently.

Allow Texas Chain Saw Man on Windows Defender Firewall

Your Windows Defender Firewall settings might be blocking the game and this might cause the TCSM ‘Supplied Credentials Are Invalid’ error. Here’s how you can add it to the Exception list:

  • Open the Firewall & Network Protection from your Windows Security.
  • Locate and click Allow an app through Firewall.
  • Look for the Texas Chain Saw Massacre files in the list.
  • If you can’t find it, follow these steps –
    • Click on Change Settings.
    • Click on Add Another App.
    • Browse for your Texas Chain Saw Massacre Files and then Add the game to the Exception list.
  • Once you add the game to the Exception list, it should not have any problem with Windows Defender.

Restart Modem & Router to Fix Texas Chain Saw Massacre

Your modem and router might have collected a lot of unnecessary cache which might be giving you troubles like the Texas Chainsaw Massacre ‘Supplied Credentials Are Invalid’ error. Restarting them will help you get a much faster and resolved network connection. Additionally, since modem and routers are running 24/7, they might get overheated on occasions. A simple restart is enough to cool it down and help it function better.

If all of these don’t work, restarting the client should work properly. Many players have also reported that sometimes a simple restart is enough. Additionally, you can also contact TCSM Support if you are in need for a more professional help.

That’s all you need on how to fix ‘Supplied Credentials Are Invalid’ error in Texas Chainsaw Massacre Game. If you found this guide helpful, do check out our other TCSM Guides while you are here at Gamer Tweak.

  • Digimon Up Codes (July 2026)

    Digimon Up Codes (July 2026)

    Published Date :

    Digimon Up codes provide various freebies, including DigiEmeralds, that you can redeem right away! Once you’ve picked the right partner, fed and trained them, as well as Digivolved them, you will be ready for battle and victory. The steps to redeem these goodies can be slightly confusing if it’s your first time, so we have… Read More

  • Build an Ore Crusher Codes (July 2026)

    Build an Ore Crusher Codes (July 2026)

    Published Date :

    Building an efficient mining empire takes effort and in Build an Ore Crusher, your goal is to create a processing line that goes from Crushing ores to earning cash for profit. As your operation grows, you’ll unlock better equipment, automate production, and earn enough money to expand your factory even further. To add to it,… Read More

  • Build an ASMR Tower Codes (July 2026)

    Build an ASMR Tower Codes (July 2026)

    Published Date :

    If you enjoy satisfying building games, Build an ASMR Tower offers a relaxing experience where every upgrade helps you construct an even taller structure. As you continue stacking blocks and improving your tower, Gems become an important resource for unlocking new mechanics and progressing more efficiently. That’s where Build an ASMR Tower codes come in.… Read More

  • Excuse Me Sir Codes (July 2026)

    Excuse Me Sir Codes (July 2026)

    Published Date :

    If you’re looking for free Lucky rolls, Anime Crates, Cash potions and more boosts in Excuse Me Sir on Roblox, this list has all the codes you need to redeem. The developers disable rewards often, so it’s best to claim the goodies right away! Last checked for new codes on July 21, 2026 All Excuse… Read More