The installation of Windows 7 Service Pack 1 (SP1) cannot start because the GetSystemPowerStatus function detects that the computer is not connected to AC power, and then it returns a CBS_E_AC_POWER_REQUIRED (0x800f0829) failure that blocks the installation.

How to obtain this update

Windows Update

This update is available from Windows Update.

Update detail information

Prerequisites

There is no prerequisite to install this update.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

More Information

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 file information and notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.1.760 0.16xxx

    Windows 7

    RTM

    GDR

    6.1.760 0.17xxx

    Windows 7

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Acres.dll

6.1.7600.16385

2,560

14-Jul-2009

01:03

x86

Sysmain.sdb

Not applicable

4,070,088

05-Nov-2014

23:36

Not applicable

Acgenral.dll

6.1.7600.17674

2,176,512

06-Nov-2014

02:30

x86

For all supported x64-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Sysmain.sdb

Not applicable

122,534

05-Nov-2014

23:30

Not applicable

Acgenral.dll

6.1.7600.17674

309,760

06-Nov-2014

02:44

x64

Acres.dll

6.1.7600.16385

2,560

14-Jul-2009

01:03

x86

Sysmain.sdb

Not applicable

4,070,088

05-Nov-2014

23:36

Not applicable

Acgenral.dll

6.1.7600.17674

2,176,512

06-Nov-2014

02:30

x86


Additional file information


Additional file information for Windows 7



Additional files for all supported x86-based versions of Windows 7

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,654

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

X86_14489f3990f245337d2e9d8c30f9f849_31bf3856ad364e35_6.1.7600.17674_none_8ddcd6868fe0b431.manifest

File version

Not applicable

File size

725

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

X86_6f4457d3b2d0fc56217fa1cb2989a98c_31bf3856ad364e35_6.1.7600.17674_none_d7ce42d48a375b59.manifest

File version

Not applicable

File size

725

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

X86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.1.7600.17674_none_0c024cd95398dd0c.manifest

File version

Not applicable

File size

3,348

Date (UTC)

06-Nov-2014

Time (UTC)

04:48

Platform

Not applicable

File name

X86_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.1.7600.17674_none_0c044d6d53970fba.manifest

File version

Not applicable

File size

2,513

Date (UTC)

06-Nov-2014

Time (UTC)

02:54

Platform

Not applicable


Additional files for all supported x64-based versions of Windows 7

File property

Value

File name

Amd64_098eafbbb05d5ff5f4cba026b3506d1c_31bf3856ad364e35_6.1.7600.17674_none_6c53054f89c481e4.manifest

File version

Not applicable

File size

1,098

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

Amd64_d43854ec03dc71c509d42b89e82ed260_31bf3856ad364e35_6.1.7600.17674_none_1bda20d24d7ff6ac.manifest

File version

Not applicable

File size

1,100

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

Amd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.1.7600.17674_none_6820e85d0bf64e42.manifest

File version

Not applicable

File size

2,684

Date (UTC)

06-Nov-2014

Time (UTC)

03:02

Platform

Not applicable

File name

Amd64_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.1.7600.17674_none_6822e8f10bf480f0.manifest

File version

Not applicable

File size

2,528

Date (UTC)

06-Nov-2014

Time (UTC)

03:02

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,664

Date (UTC)

06-Nov-2014

Time (UTC)

04:45

Platform

Not applicable

File name

Wow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.1.7600.17674_none_727592af4057103d.manifest

File version

Not applicable

File size

3,350

Date (UTC)

06-Nov-2014

Time (UTC)

04:51

Platform

Not applicable

File name

X86_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.1.7600.17674_none_0c044d6d53970fba.manifest

File version

Not applicable

File size

2,513

Date (UTC)

06-Nov-2014

Time (UTC)

02:54

Platform

Not applicable




References

See the terminology that Microsoft uses to describe software updates.

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