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TL;DR: An issue in Windows 11 24H2 causes apps like Microsoft Office to freeze or crash, linked to policy settings involving the CrowdStrike Falcon sensor. This issue affects businesses using CrowdStrike Falcon, not home users.
CrowdStrike, Microsoft and Windows are making headlines again, but this time the problem isn’t nearly as serious as the last problem with the CrowdStrike Falcon sensor, which caused millions of PCs to experience a BSOD (Blue Screen of Death) earlier this year. An event that affected airlines, travel, banking and other infrastructure around the world.
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This time, an issue with Windows 11 24H2 causes apps like Microsoft Office to freeze or crash. Windows 11 24H2 is one of the most significant updates to the operating system yet, with Microsoft calling it a complete OS change, so teething problems are expected. And yes, one of the teething problems concerns the CrowdStrike Falcon sensor.
It all comes down to policy settings, such as the Enhanced Exploitation Visibility Prevention Policy. This will not affect home users as CrowdStrike Falcon is an enterprise cybersecurity solution. CrowdStrike has already issued a statement confirming that the problem is Windows-related and not related to the software or a recent update.
“This is not a CrowdStrike issue. An issue in Windows 11 24H2 is causing some specific applications to crash. CrowdStrike has identified and reported the Windows 11 24H2 issue to Microsoft and is awaiting a resolution.”
The issue was also addressed by CrowdStrike temporarily disabling the Enhanced Exploitation Visibility Prevention Policy setting on hosts running Windows 11 24H2. Before the solution was implemented, organizations using CrowdStrike Falcon reported that apps like Word and Excel crashed after updating to the latest version of Windows.
Updating Windows when there’s a major update, or ‘Service Pack’ as they used to be called, is always risky, especially for businesses. The Windows 11 24H2 rollout hasn’t been without bugs, with Wi-Fi disconnecting for some users and File Explorer doing strange things for others.