In case of a missing mod/addon/content packs - a workshop addon must be installed.

In case of a missing game - you must buy, install and mount the game in order to be able to see and use its content.

Missing mods or content packs from the Steam workshop.

Missing game content such as Counter-Strike: Source, Half-Life 2 Episodes or Team Fortress 2.

I have pink and black checkerboard and ERROR signs everywhere This is due to the fact that they are not real addons/mods and are functionally unusable unless accessed from within the game itself.

Please note that subscribing to Dupes, Saves and Demos will not work and the game will automatically unsubscribe you from Dupes, Saves and Demos. If that doesn't work, your best bet is to contact Steam Support. re-syncing your PC time ) fixes the problem. Some people claim that setting the date and time on the computer (and/or in BIOS) to the correct one ( i.e. This is an problem with Steam, not the with games.

This issue isn't exclusive to Garry's Mod and is happening to multiple other games with Steam Workshop support, such as Left 4 Dead 2. There is a trending issue with Garry's Mod when your mods from workshop will stop working and will no longer load in-game, and in main menu addon list, it will say 'Nothing Found'. Please consult your Touch Pad User Manual for information on how to disable the Palm Protection. To fix your problem, you must either disable this feature in your Touch Pad software, or buy a proper PC mouse to play the game the intended way. This feature exists to avoid accidental clicks while typing on your Laptop. There's a feature called 'Palm Protection' that disables your Touch Pad completely when a key is pressed on the keyboard. The actual cause of this problem is your Touch Pad's software.

Please note that this is not officially supported way of playing Garry's Mod. This problem is most likely caused by you using a Laptop Touch Pad in order to play Garry's Mod. I cannot click on anything in Garry's Mod while playing This article will describe most common problems with Garry's Mod and how to solve them.

Steam workshop not working