Steam "Lost Connection"

Kyroken

Terrarian
I can't join friends on Steam period. 1 file failed to validate and will be reacquired is the diagnosis message I get even after:

Full steam uninstall
Cleared registry and Cache
Clean boot with Windows Defender, all startup apps, and my other anti-virus disabled.
Clean install of Steam and Terraria.
Port forwarding for Steam and Terraria

Please help us!
 
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Reactions: T45
Im having the exact same issue now... did u find a fix???
 
Same for me, I cant join anyone but i can host games and have my friends join it. Other websites suggested reinstalling the game and do the steam file intergrity verification, both didnt help.
 
Same for me, someone help??
 
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