Only a few days ago, Microsoft released an emergency Internet Explorer patch bundled in a cumulative update. The patch was rolled out to fix the zero-day vulnerability in Internet Explorer first discovered by a Google security researcher, .
However, it seems like the patch is creating more problems than fixing them. Out of many known issues, as mentioned by Microsoft in the changelog, one can be regarded as a more severe issue since it is leaving many Lenovo laptops unbootable after installing the patch.
Microsoft mentions that the issue is only affecting Windows 10 users who have a Lenovo laptop that has less than 8 GB RAM. On the other hand, few sources tell that the issue has only affected PC’s that are still on the 1607 version, or Windows 10 Anviersary Update (2016).
Considering only enterprise PCs have the ability to delay updates, they are most likely have been affected by the unbootable issue.
If you have installed the latest “KB4467691” cumulative update on your PC, and are facing the same issue, here are some steps that Microsoft wants you to follow —
- Restart the affected machine using UEFI. After this, disable Secure Boot and then perform restart.
- If BitLocker is enabled on your computer, you may have to go through BitLocker recovery after Secure Boot has been disabled.
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