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Summary

This article describes an update to Windows 10 Technical Preview, KB3040021, released February 18, 2015. This update will be offered though Windows Updates to users of the Windows 10 Technical Preview, build 9926. This update fixes an issue with installing future builds.

More Information

How to obtain the update

This update is offered when you check for updates, or if automatic updates are turned on, using build 9926 of Windows 10 Technical Preview.

Prerequisites

To apply this update, you must be using Windows 10 Technical Preview, build 9926.

Restart information

The update may require a restart.

Update replacement information

This update does not replace a previously released update.



The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.


For all supported 32-bit versions of Windows 10 Technical Preview:

File name

File version

File size

Date

Time

Platform

Windows10.0-kb3040021-x86.cab

Not Applicable

141,389

12-Feb-2015

04:21

Not Applicable

Windows10.0-kb3040021-x86.xml

Not Applicable

446

12-Feb-2015

04:23

Not Applicable

Wsusscan.cab

Not Applicable

171,136

12-Feb-2015

04:27

Not Applicable

Package_1_for_kb3040021~31bf3856ad364e35~x86~~10.0.1.0.mum

Not Applicable

1,846

12-Feb-2015

04:13

Not Applicable

Package_for_kb3040021_rtm~31bf3856ad364e35~x86~~10.0.1.0.mum

Not Applicable

1,465

12-Feb-2015

04:13

Not Applicable

X86_70db0ea509c58e85f146802248dd23c9_31bf3856ad364e35_10.0.9926.8_none_b2297aa54b94f465.manifest

Not Applicable

718

12-Feb-2015

04:13

Not Applicable

X86_microsoft-windows-w..nt-extupdatesupport_31bf3856ad364e35_10.0.9926.8_none_aca029f5f1beb312.manifest

Not Applicable

7,076

11-Feb-2015

11:08

Not Applicable

Wuuhext.dll

10.0.9926.8

277,504

11-Feb-2015

07:22

x86

Package.cab

Not Applicable

291,335

12-Feb-2015

04:23

Not Applicable



For all supported 64-bit versions of Windows 10 Technical Preview:

File name

File version

File size

Date

Time

Platform

Windows10.0-kb3040021-x64.cab

Not Applicable

171,303

12-Feb-2015

04:19

Not Applicable

Windows10.0-kb3040021-x64.xml

Not Applicable

448

12-Feb-2015

04:23

Not Applicable

Wsusscan.cab

Not Applicable

171,096

12-Feb-2015

04:24

Not Applicable

Amd64_98dfd7712abd98ba475d1c41686bcd50_31bf3856ad364e35_10.0.9926.8_none_04ae7b1022244418.manifest

Not Applicable

722

12-Feb-2015

04:13

Not Applicable

Amd64_microsoft-windows-w..nt-extupdatesupport_31bf3856ad364e35_10.0.9926.8_none_08bec579aa1c2448.manifest

Not Applicable

7,078

11-Feb-2015

12:03

Not Applicable

Package_1_for_kb3040021~31bf3856ad364e35~amd64~~10.0.1.0.mum

Not Applicable

2,077

12-Feb-2015

04:13

Not Applicable

Package_for_kb3040021_rtm~31bf3856ad364e35~amd64~~10.0.1.0.mum

Not Applicable

1,694

12-Feb-2015

04:13

Not Applicable

Wuuhext.dll

10.0.9926.8

371,712

11-Feb-2015

07:35

x64

Package.cab

Not Applicable

290,629

12-Feb-2015

04:23

Not Applicable





References

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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