Windows 10 September 2019 Patch Tuesday Update Doesn’t Address Search Issues And Adds Two Additional Telemetry Tasks On Windows 7 And 8 PCs

The most recent and large Windows 10 Cumulative Update that Microsoft released as the September 2019 Patch Tuesday Update doesn’t seem to have solved the weird Search Issue. Moreover, Microsoft appears to have added a few Telemetry Tasks to Windows 7 and Windows 8/8.1 PCs which could be an attempt to better ascertain the upgrade path and monitor installation numbers.

The security updates and regular updates for all versions of Windows that Microsoft released as part of September 2019 Patch Tuesday appear to have solved only one major CPU Throttling issue that we had reported earlier. The large Cumulative Update for Windows 10 released this week significantly addressed the high CPU usage issue that affected some Windows 10 OS users who were running the latest and stable Windows 10 version, which is Windows 10 1903. Several users had reported a weird issue of exceptionally high CPU usage in Windows 10, especially after Microsoft published the cumulative update KB4512941 for Windows 10 version 1903 earlier this month.

Microsoft Addresses High CPU Usage But Doesn’t Solve Search Behavior Problems In Windows 10 1903?

After receiving relevant reports, Microsoft investigated and discovered that the high CPU usage was caused by the Cortana process ‘SearchUI.exe’. This process, running in the background, caused the excessive load on the system. Simply uninstalling the KB4512941 stopped the issue, while others found that enabling Bing Web Search on the system if it was disabled, managed to ease the high CPU usage. Interestingly, Microsoft did acknowledge the issue within the release notes for the KB4515384 for Windows 10 version 1903 and Windows Server version 1903:

“Addresses an issue that causes high CPU usage from SearchUI.exe for a small number of users. This issue only occurs on devices that have disabled searching the web using Windows Desktop Search.”

While Microsoft has significantly addressed the high CPU usage in Windows 10 1903, several users are still complaining about the search function not working correctly in their Windows 10 installation, even after the latest update. Several instances of broken Windows Search have appeared on Reddit. Users claim that the most common problem is blank results. In other words, the majority of Windows 10 users who are affected by the search bug, claim that whenever they run searches, a blank results page is shown. It is not immediately clear if the weird bug is widespread or limited to a few users.

Some users suggest going back to the previous stable release of Windows 1903, which is 1809, to temporarily solve the Windows Search problem. While others suggest attempting to play with the Bing Search parameters to try and solve the same. However, there is no confirmed resolution yet for the affected users.

Windows 7 and 8.1 Latest Security Updates Released Contain Two Telemetry Tasks?

In addition to the several updates for Windows 10, Microsoft also released security-only updates for Windows 7 and 8.1. These are supposedly designed to patch vulnerabilities only in these versions of Windows. In other words, there are no feature updates or inclusion of new functionalities within the earlier versions of Windows OS.

Interestingly, among the security-related vulnerability patches, Microsoft appears to have included two Telemetry tasks for systems running Windows 8.1, reported Ghacks. Moreover,  a report on Ask Woody implies that Microsoft replaced the compatibility update KB2952664 on this patch day which contains Telemetry. In case of PCs running Windows 7 OS, users should receive the Windows 7 SP1 update KB4516033 on the Microsoft Update Catalog. They will notice the update KB2952664 is listed as one of the updates that the new update (KB4516033) replaces. Incidentally, this isn’t the first time Microsoft has attempted to package non-security related patches within the security-only updates.

Windows 10 OS users are cautioned to simply wait for a few days before installing the updates, just to ensure they are free of any weird issues or cause undesired changes to the currently running and latest stable release of Windows 10.

Alap Naik Desai
A B.Tech Plastics (UDCT) and a Windows enthusiast. Optimizing the OS, exploring software, searching and deploying solutions to strange and weird issues is Alap's main interest.

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