Windows UEFI security update causes headaches

Jan

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Windows security update causes BitLocker recovery screens and boot problems

Windows users have been experiencing performance problems, boot failures, and receiving BitLocker Recovery prompts since installing the KB5012170 security update.

According to Bleeping Computer, Microsoft released the update to correct vulnerabilities in various UEFI bootloaders that malicious actors could use to bypass Secure Boot and execute unsigned code.
 
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