Microsoft Fixes Most Bugs Caused By Latest September 2019 Patch Tuesday Cumulative Update Including Search And Start Menu, Windows Defender, Orange Tint And Even CPU Spike

Microsoft Windows 10 operating system has been the recipient of several bugs and weird issues in the month of September, this year. The most recent Windows 10 Cumulative Update that Microsoft sent for the latest stable version of Windows 10, which is 1903, on September 10, was by far one of the most notorious for causing several breakdowns and issues. Although Microsoft insists that only a few users of the latest operating system had to face the bugs and functional anomalies, the company appears to have accelerated the development and deployment of bug fixes. The company appears to have updated its Support Document, and reportedly claims that all associated bugs are either resolved entirely or at least mitigated to nullify their impact.

Since the major Cumulative Update, referred to as the Patch Tuesday arrived at Windows 10 1903 OS, the latter has experienced several erratic behavioral patterns. From weird sound muffling issues, Search and Start Menu issues, breakdown of Intel and Broadcom Wi-Fi adapters to the infamous ‘Orange Tint’ issue that was quickly followed by a weird spike in CPU Usage caused by SearchUI.exe. The most recent issue faced by Windows 10 users was the weird behavior of Windows Defender, the most widely used and popular free antivirus solution that comes preinstalled within Windows 10. It appears the most notorious component was the September 10 Cumulative Update that was part of Patch Tuesday program. In other words, KB4515384 was the most troublesome.

Microsoft Claims Most Issues Caused By KB4515384 Have Been Resolved Or Mitigated, But The Situation Will Be Monitored:

By updating the support document, Microsoft appears to be reassuring Windows 10 1903 OS users that they have addressed most of the issues and bugs some users have had to endure over the past two weeks. At least some of the issues cropped up after the KB4515384 [September 10 patch] landed. The company now claims that the Search and Start menu issue is resolved since it hasn’t found the bug “significantly impacting users originating from KB4515384 [September 10 patch].”

In addition to the broken Search and Start Menu behavior, Microsoft claims to have managed to resolve most of the bugs that were introduced by the latest update. Incidentally, not all issues were resolved simultaneously, but within a rather remarkable short span of time. Despite addressing the issues, Microsoft has assured that it will continue to monitor “to ensure users have a high-quality experience when interacting with these areas.”

Several users, especially gamers, had openly complained that after the latest Cumulative Update, the in-game sounds sounded muffled or abnormally subdued. Then arrived the unnatural Orange Tint issue, which was quickly followed by the infamous CPU Spike bug. Apparently, the bug was being caused due to excessive resource utilization by SearchUI.exe. Interestingly, in addition to this previous bug, several Windows 10 version 1903 users also faced unusually high CPU utilization for a second time. Microsoft claims the current issue affects Chinese Simplified (ChsIME.EXE) and Chinese Traditional (ChtIME.EXE) IMEs with Changjie/Quick keyboard. In other words, the second CPU Spike bug isn’t widespread as the first one.

Within a few days, Microsoft has also addressed the bug that caused weird behavioral patterns of Windows Defender wherein the antivirus was failing to properly scan the devices. Incidentally, this particular issue wasn’t specific to version 1903 and affected almost all versions of the operating system, making it critical.

Perhaps learning from the experience, Microsoft is contemplating bringing back the ‘Optional Updates’ listing within Windows Update. This segment would list driver updates, and may even include some other miscellaneous updates that Microsoft doesn’t tag as Critical. If that’s not enough, Windows 10 OS may also get a feature that would automatically rollback troublesome updates before they cause major problems and break reliably working hardware and services.


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