It did not work. Any other possible solutions?

Ever since I updated the game, I am having massive lag spikes in both casual and community servers. I get ping from 100-300 normally, it was at least playable before. Now it's gone to hell. Surprisingly, the fps counter doesn't show the fps drops. While it's shit in normal game modes, it's different in MGE. While joining MGE, after the loading times, the map freezes for about 2-3 minutes, then it works perfectly. No lag spikes, no connection failures. I don't believe it's a hardware problem because it worked perfectly before the update. If it was a network problem, it wouldn't work in MGE. I have tried it in my friend's house as well and its still the same. I have: * Updated my drivers * Verified cache * Removed all custom files. Nothing worked. My download speed is VERY slow, so I would like some suggestions before reinstalling TF2 again, which would take days.

https://youtu.be/txBptD4yw9c