Proton outage, 2 October 2026

MacOS Certification Errors on the Proton Meet & Proton Mail apps

Started
Resolved
2 Oct 2026, 18:11 UTC (after 3 h 17 min)
Impact
Critical
Affected
Mobile and Desktop Apps, Desktop Apps

Last update from Proton

We've now updated both the Proton Meet and Proton Mail MacOS desktop apps. If you're still receiving a pop-up on your device, please update to the latest version of the desktop apps. Once again, we apologize for any inconvenience this has caused.

2 Oct 2026, 18:11 UTC

Read the full incident on the official Proton status page

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