Be cautious when downloading .zip files from unofficial sources with "Auto Updater" in the name. These are often used to distribute malware or pirated content. If you are looking for the official game, it is available on the Steam Store .
: Tools like gmpublisher or GModPatchTool are used for legitimate mod management and patching. Security Warning
: Servers can be configured to automatically download and update Workshop add-ons for players using a workshop.lua file. Soubor: Garrys.Mod.Incl.Auto.Updater.zip ...
: By default, Steam keeps Garry's Mod updated. If you need to stop this, you can set the game's manifest file ( appmanifest_4000.acf ) to "Read-only".
For a safe and official guide on how to automatically manage and download add-ons for your game, watch this tutorial: Be cautious when downloading
Fastest Way to Upload a Garry's Mod Addon To Workshop - Windows
The file appears to be a third-party archive or "cracked" version of the game, often associated with unofficial distributions that bypass the standard Steam Workshop and update system. Official ways to manage and update Garry's Mod include: : Tools like gmpublisher or GModPatchTool are used
Are you trying to or looking for a way to play the game without Steam ?