Microsoft is investigating widespread reviews {that a} January Home windows 11 safety replace is inflicting the basic Outlook desktop consumer to freeze and dangle for customers with POP electronic mail accounts.
POP (Put up Workplace Protocol) is an electronic mail retrieval protocol used for downloading emails from a server to an area system. Whereas POP is not as extensively used as IMAP or Change, it’s nonetheless well-liked amongst residence customers and small companies.
This recognized problem impacts customers who’ve put in the KB5074109 safety replace for Home windows 11 25H2 and 24H2, with these impacted reporting that basic Outlook doesn’t exit correctly and won’t restart after being closed.
“That is an rising problem, and we do not have all of the signs but, however we’ll replace the subject as we perceive the problem higher,” Microsoft mentioned in a Thursday help doc.
Microsoft’s Outlook and Home windows groups are investigating the issue, however the firm has but to supply a timeline for a repair or workaround.
Microsoft mentioned that it’ll replace its advisory as investigators study extra in regards to the scope and explanation for this recognized problem.
Till a everlasting repair is launched to deal with this bug, affected customers can work round it by uninstalling the KB5074109 replace by opening the Settings app, going to Home windows Replace > Replace historical past > Uninstall updates, and clicking the “Uninstall” hyperlink subsequent to “Safety Replace for Microsoft Home windows (KB5074109).”
“As quickly because the January 14th replace was issued, Outlook began freezing and crashing. I uninstalled KB5074109 and now Outlook works high quality once more,” one of many affected customers mentioned.
“No repairs or fixes listed labored besides uninstalling the safety replace. I needed to postpone updates to maintain it from reinstalling.”
Nonetheless, it is vital to notice that, simply as Microsoft additionally warns, eradicating safety updates could go away Home windows gadgets uncovered to malware and different threats, since they patch vulnerabilities which can be usually already being exploited in assaults.
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