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Roblox Error Code 279 (ID 17) or 277? What “Failed to connect” and “Lost connection” mean, and Roblox Support’s official fixes for Windows, Mac and mobile

Roblox Error Code 279 (ID 17) or 277? Roblox Support says both are connection failures between the app and its servers. Official fixes: reinstall and clear AppData, firewall, wired connection, UDP ports 49152–65535, date and time on mobile.

Official Roblox logo in white on a black background next to a tilted grid of Roblox experience thumbnails

Black Ops 7 on PC: crashes, 0x errors on the Xbox app, “NOT AVAILABLE” on PC Game Pass, COD Points at zero and TPM 2.0/Secure Boot — Activision’s official fixes

Black Ops 7 crashing or blocked on PC? Activision’s official fixes: 0x error on the Xbox app (Repair), “NOT AVAILABLE” on PC Game Pass (device limit), COD Points at zero, crash checklist, TPM 2.0/Secure Boot and Failed Attestation (AMD 3.*.0.* BIOS).

Official Call of Duty: Black Ops 7 screenshot: four armed operators in tactical gear advance through a dark teal corridor, the man in front holding a rifle, with red smoke at their feet

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