Microsoft issues KB5066188 to correct issues with the former update KB5063709

This is an “out of band” update that corrects an issue that was introduced with the August 2025 patches. That update had the following issues: *Patch up everyone!!

Affected users which attempted to reset and recover the device fails. This issue happens when users perform one or more of the following processes:

SA

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Just note that this bug does not appear to affect Windows 11 v24H2, but it does affect many older OSs like Win 10 v22H2 and Win 11 v22H2 / v23H2. See the 19-Aug-2025 Neowin article Microsoft breaks reset and recovery options on older Windows versions, emergency update out.


Dell Inspiron 15 5584 * 64-bit Win 10 Pro v22H2 build 19045.6216 * Firefox v142.0.0 * Microsoft Defender v4.18.25070.5-1.1.25070.4 * Malwarebytes Premium v5.3.6.205-138.0.5346 * Macrium Reflect Free v8.0.7783

Indeed, more do directed at the Windows 10 crowd than Windows 11 ALTHOUGH some W11 users did see the issues.

SA