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Microsoft is alerting users that Secure Boot certificates from 2011 will start expiring in June 2026, which could impact millions of Windows PCs. This update is crucial for maintaining system security and ensuring that devices can boot properly. Small business operators should be aware of this deadline to avoid potential disruptions in their operations.

For small business owners, this is a timely reminder to assess your technology infrastructure. Ensuring that your PCs are updated with the latest Secure Boot certificates is essential to safeguard against security vulnerabilities. Ignoring this could lead to unexpected downtime or security breaches, which can be costly. Stay proactive by checking your systems now and planning for necessary updates before the deadline.

“Millions of Windows PCs Face a Secure Boot Update Deadline in 2026” — TechRepublic

Takeaway: Check your Windows PCs for Secure Boot updates to avoid disruptions by 2026.