Extreme Ping Spikes (1700ms) When Game is Focused

[yusufesat2331]

When Deadlock is the active window, my ping instantly spikes to ~1700ms and stays there. If I ALT+TAB out of the game, ping immediately returns to normal (~30ms). Returning to the game window causes the ping to spike again.

 

[yusufesat2331]

View attachment 2025-09-15 20-33-51.mp4

 

[Rinesi]

I have 2 friends with this issue as well. Started yesterday.