Newsletter Archives
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MS-DEFCON 2: Never install previews
ISSUE 21.27.1 • 2024-07-03 By Susan Bradley
Microsoft regularly releases updates. Previews are betas.
In the first week of each month, Microsoft issues the non-security Office releases that PKCano documents in the AskWoody blog. In the second week of each month, Microsoft releases its main security patches. Finally, in the last week, Microsoft releases previews of the following month’s non-security fixes.
Previews do not go through the same rigorous testing as the security updates. (Credit where it is due: Microsoft does perform basic testing of its main security updates.) As a result, issues can occur. This is why I strongly recommend that you do not install preview updates when offered for Windows 11 23H2 and Windows 10 22H2. In addition, pause all updates now while I test, vet, and approve. This is the reason I’m raising the MS-DEFCON level to 2.
Anyone can read the full MS-DEFCON Alert (21.27.1, 2024-07-03).