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Terraria How to Fix Terraria 1.4 Not Launching (Using tModLoader)

Posted on May 16, 2020May 16, 2020

If you play Terraria and you are using tModLoader from a previous version, but the game won’t launch, this guide will help you to solve the problem, let’s check it out.

Solution

If your game is still launching terraria 1.3.5.3, or just refuses to launch at all, then try this:
Step 1: Right click on terraria, hold your cursor over manage, then hit “Browse Files”
Step 2: Select EVERYTHING in there, and delete it.
Step 3: Hit Play on steam, it’ll give you an error message and then prompt you to re-download terraria
Step 4: Re-Download terraria.
Step 5: Play!
That’s the most basic method to fix terraria if it refuses to load or if you’re stuck in 1.3.5.3
If you want to re-download tModloader, get the DLC in the terraria shop.

That’s all we are sharing today in Terraria How to Fix Terraria 1.4 Not Launching (Using tModLoader), if there are anything you want to add please feel free to leave a comment below and we’ll see you soon.

Credit to alexthehero1

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8 thoughts on “Terraria How to Fix Terraria 1.4 Not Launching (Using tModLoader)”

  1. Csaba says:
    May 16, 2020 at pm2:43

    Hey , i got this error message when i want to start the game
    i deleted everything reinstalled , reinstalld and repaired xna40 as well but still got this whenever i want to start terraria
    same issue when im starting from the folder as an administrator

    5/16/2020 11:32:29 PM
    System.IO.FileNotFoundException: Could not find file ‘C:\Users\user\Documents\My Games\Terraria\ResourcePacks’.
    File name: ‘C:\Users\user\Documents\My Games\Terraria\ResourcePacks’
    at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
    at System.IO.Directory.InternalCreateDirectory(String fullPath, String path, Object dirSecurityObj, Boolean checkHost)
    at System.IO.Directory.InternalCreateDirectoryHelper(String path, Boolean checkHost)
    at System.IO.Directory.CreateDirectory(String path)
    at Terraria.Initializers.AssetInitializer.GetResourcePacksFolderPathAndConfirmItExists(JArray& resourcePackJson, String& resourcePackFolder)
    at Terraria.Main.LoadContent()
    at Microsoft.Xna.Framework.Game.Initialize()
    at Terraria.Main.Initialize()
    at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
    at Terraria.Program.LaunchGame(String[] args, Boolean monoArgs)

    Reply
    1. kajskajskjsjdsbad asdja says:
      May 17, 2020 at am8:57

      You might have to go to C:\Users\user\Documents\My Games\Terraria\ and make a new folder called “ResorcePacks”. Cause it’s saying the file isn’t found

      Reply
  2. chappy says:
    May 16, 2020 at pm11:30

    I have the same issue

    Reply
  3. How did you know? says:
    May 17, 2020 at pm12:32

    I downloaded tmod loader from steam and updated terraria but when I open tmod loader, it opens version 1.3 of the game, I guess in this case we need to wait until tmod loader updates to 1.4 right?

    Reply
    1. Chocabloc says:
      May 18, 2020 at am1:52

      Yes

      Reply
  4. kilolo1000 says:
    May 18, 2020 at am2:21

    Newtonsoft.Json.JsonReaderException: Invalid property identifier character: ?. Path ”, line 2, position 3.
    at Newtonsoft.Json.JsonTextReader.ParseProperty()
    at Newtonsoft.Json.JsonTextReader.ParseObject()
    at Newtonsoft.Json.JsonTextReader.Read()
    at Newtonsoft.Json.JsonReader.ReadAndAssert()
    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
    at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
    at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
    at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
    at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
    at Terraria.IO.FavoritesFile.Load()
    at Terraria.Main.Initialize()
    at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
    at Terraria.Program.LaunchGame_()

    5/16/2020 8:02:45 PM

    Reply
    1. kilolo1000 says:
      May 18, 2020 at am2:22

      this is my problem
      could someone help me fix it

      Reply
  5. Franklyn says:
    May 21, 2020 at am4:19

    Everything seems to work perfectly for me up until I load in the game there are none of the mods I downloaded even after I reloaded them. Help?

    Reply

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