Steam.api.Init failed error has now turned into Content File Locked Error

I was able to download tmodloader for the first time without issue, but I would get an error (screenshot 3) saying there was an error in the game files and to check the logs. I had never opened tmod before, so there were no logs to check. I downloaded and re-downloaded both terraria base game and tmod probably ten times at this point. I followed other instructions of sign-out and sign-in, and was met with the same issue. In an attempt to do more in-depth troubleshooting I downloaded what was recommended in the help forum and other forums online (screenshot 2). After doing so, I now am getting a new error where tmodloader will now not even download and am getting a content file locked error (screenshot 1).
I no longer know what to do and the general troubleshooting guide has nothing on my specific issue. Please help, thank you.
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