This article describes the update rollup for Windows 8 and for Windows Server 2012 that is dated January 2013. This update rollup package includes performance and reliability improvements for Windows 8 and for Windows Server 2012. We recommend that you apply this update rollup as part of your regular maintenance routines.
Improvements
This update rollup includes the following performance and reliability improvements:
Resolves an issue that could cause low-quality playback when you stream videos from Windows Media Center to Xbox consoles.
Improves Bluetooth audio playback quality.
Resolves an issue in which you may be unable to install a Windows Store app update when the app is installed to multiple accounts on the same computer.
If you select the Install updates automatically (recommended) Windows Update setting, this update is installed automatically.
If you select other Windows Update settings, we highly recommend that you install this update through Windows Update immediately.
You can also obtain the stand-alone update package through the Microsoft Download Center. For more information, go to the Microsoft Download Center
(http://download.microsoft.com/)
, and then search for KB2785094.
Prerequisites
To apply this update, you must be running Windows 8 or Windows Server 2012.
Restart information
You must restart the computer after you apply this update.
Update replacement information
This update does not replace any previously released update.
File information
Collapse this imageExpand this image
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 8, and Windows Server 2012 file information 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:
Collapse this tableExpand this table
Version
Product
Milestone
Service branch
6.2.920 0.16 xxx
Windows 8 and Windows Server 2012
RTM
GDR
6.2.920 0.20 xxx
Windows 8 and Windows Server 2012
RTM
LDR
GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed
For all supported x86-based versions of Windows 8
Collapse this tableExpand this table
File name
File version
File size
Date
Time
Platform
Aaclient.dll
6.2.9200.16384
269,312
26-Jul-2012
03:17
x86
Aaclient.mof
Not applicable
1,261
02-Jun-2012
14:30
Not applicable
Actxprxy.dll
6.2.9200.16438
753,664
18-Oct-2012
02:44
x86
Actxprxy.dll
6.2.9200.20569
753,664
27-Nov-2012
04:21
x86
Arial.ttf
Not applicable
755,624
20-Nov-2012
00:07
Not applicable
Arialbd.ttf
Not applicable
718,264
20-Nov-2012
00:07
Not applicable
Arialbi.ttf
Not applicable
533,540
02-Jun-2012
20:25
Not applicable
Ariali.ttf
Not applicable
530,880
02-Jun-2012
20:25
Not applicable
Authui.dll
6.2.9200.16465
2,033,664
27-Nov-2012
04:19
x86
Authui.dll
6.2.9200.20569
2,033,664
27-Nov-2012
04:21
x86
Authui-ppdlic.xrm-ms
Not applicable
2,894
27-Nov-2012
04:37
Not applicable
Bfe.dll
6.2.9200.16465
473,600
27-Nov-2012
04:19
x86
Bfe.dll
6.2.9200.20569
473,600
27-Nov-2012
04:21
x86
Btampm.sys
6.2.9200.16465
14,848
27-Nov-2012
03:55
x86
Btampm.sys
6.2.9200.20569
14,848
27-Nov-2012
03:57
x86
Btha2dp.sys
6.2.9200.16465
93,440
27-Nov-2012
03:53
Not applicable
Btha2dp.sys
6.2.9200.20569
93,440
27-Nov-2012
03:55
Not applicable
Bthavrcptg.sys
6.2.9200.16465
25,856
27-Nov-2012
03:54
Not applicable
Bthavrcptg.sys
6.2.9200.20569
25,856
27-Nov-2012
03:56
Not applicable
Bthhfaud.sys
6.2.9200.16465
24,576
27-Nov-2012
03:53
Not applicable
Bthhfaud.sys
6.2.9200.20569
24,576
27-Nov-2012
03:55
Not applicable
Bthhfhid.sys
6.2.9200.16465
22,528
27-Nov-2012
03:53
Not applicable
Bthhfhid.sys
6.2.9200.20569
22,528
27-Nov-2012
03:55
Not applicable
Camerasettingsuihost.exe
6.2.9200.16384
26,776
26-Jul-2012
03:38
x86
Cour.ttf
Not applicable
719,840
20-Nov-2012
00:07
Not applicable
Courbd.ttf
Not applicable
718,436
20-Nov-2012
00:07
Not applicable
Courbi.ttf
Not applicable
523,948
02-Jun-2012
20:25
Not applicable
Couri.ttf
Not applicable
615,116
02-Jun-2012
20:25
Not applicable
Delegatorprovider.dll
6.2.9200.16384
19,456
26-Jul-2012
03:18
x86
Dumpsd.sys
6.2.9200.16465
104,168
27-Nov-2012
04:57
x86
Dumpsd.sys
6.2.9200.20569
104,168
27-Nov-2012
05:29
x86
Ehreplay.dll
6.2.9200.16465
376,320
27-Nov-2012
04:19
x86
Ehreplay.dll
6.2.9200.20569
376,320
27-Nov-2012
04:22
x86
Fwpuclnt.dll
6.2.9200.16465
245,248
27-Nov-2012
04:19
x86
Fwpuclnt.dll
6.2.9200.20569
245,248
27-Nov-2012
04:22
x86
Ikeext.dll
6.2.9200.16465
679,936
27-Nov-2012
04:19
x86
Ikeext.dll
6.2.9200.20569
679,936
27-Nov-2012
04:22
x86
Launchtm.exe
6.2.9200.16384
183,296
26-Jul-2012
03:20
x86
Localui.dll
6.2.9200.16384
14,336
26-Jul-2012
03:18
x86
Lxclw0.gpd
Not applicable
41,543
06-Jul-2012
19:49
Not applicable
Lxclw1.gpd
Not applicable
40,870
06-Jul-2012
19:49
Not applicable
Lxclwb.gdl
Not applicable
13,309
06-Jul-2012
19:49
Not applicable
Lxclwb.xml
Not applicable
6,753
06-Jul-2012
19:49
Not applicable
Lxclwbw.xml
Not applicable
24,148
06-Jul-2012
19:49
Not applicable
Lx-pcl-pipelineconfig.xml
Not applicable
823
06-Jul-2012
19:49
Not applicable
Lx-pclw0-manifest.ini
Not applicable
360
06-Jul-2012
19:49
Not applicable
Lx-pclw1-manifest.ini
Not applicable
360
06-Jul-2012
19:49
Not applicable
Lxpjlmw.dll
0.0.1.0
102,400
06-Jul-2012
19:49
x86
Mcmde.dll
12.0.9200.16465
895,488
27-Nov-2012
04:19
x86
Mcmde.dll
12.0.9200.20569
895,488
27-Nov-2012
04:22
x86
Micross.ttf
Not applicable
547,420
20-Nov-2012
00:07
Not applicable
Mstsc.exe
6.2.9200.16465
1,048,064
27-Nov-2012
04:20
x86
Mstsc.exe
6.2.9200.20569
1,048,064
27-Nov-2012
04:23
x86
Mstsc.mof
Not applicable
1,199
02-Jun-2012
14:31
Not applicable
Mstscax.dll
6.2.9200.16465
5,088,256
27-Nov-2012
04:19
x86
Mstscax.dll
6.2.9200.20569
5,088,256
27-Nov-2012
04:22
x86
Mstscax.mof
Not applicable
2,055
02-Jun-2012
14:31
Not applicable
Networksecurity-ppdlic.xrm-ms
Not applicable
2,920
27-Nov-2012
04:34
Not applicable
Nshwfp.dll
6.2.9200.16465
702,464
27-Nov-2012
04:20
x86
Nshwfp.dll
6.2.9200.20569
702,464
27-Nov-2012
04:22
x86
Pdc.sys
6.2.9200.16438
58,088
18-Oct-2012
03:13
x86
Pdc.sys
6.2.9200.20569
58,088
27-Nov-2012
04:55
x86
Pdc-mw.ptxml
Not applicable
3,997
17-Oct-2012
22:37
Not applicable
Rdpcorets.dll
6.2.9200.16465
2,799,616
27-Nov-2012
04:20
x86
Rdpcorets.dll
6.2.9200.20569
2,799,616
27-Nov-2012
04:23
x86
Rdpudd.dll
6.2.9200.16434
214,528
12-Oct-2012
05:15
x86
Rdpvideominiport.sys
6.2.9200.16434
23,272
12-Oct-2012
07:12
x86
Remote desktop connection.lnk
Not applicable
1,215
25-Jul-2012
20:34
Not applicable
Resources.pri
Not applicable
8,544
02-Nov-2012
02:29
Not applicable
Rfxvmt.dll
6.2.9200.16434
30,208
12-Oct-2012
05:40
x86
Sdbus.sys
6.2.9200.16465
158,952
27-Nov-2012
04:57
x86
Sdbus.sys
6.2.9200.20569
158,952
27-Nov-2012
05:29
x86
Sppwinob.dll
6.2.9200.16471
330,752
04-Dec-2012
04:23
x86
Sppwinob.dll
6.2.9200.20575
330,752
04-Dec-2012
04:23
x86
Sppwinob-spp-plugin-manifest-signed.xrm-ms
Not applicable
4,049
04-Dec-2012
04:33
Not applicable
Storagewmi.dll
6.2.9200.16465
1,217,536
27-Nov-2012
04:20
x86
Storagewmi.dll
6.2.9200.20569
1,217,536
27-Nov-2012
04:23
x86
Storagewmi.mof
Not applicable
162,360
23-Jun-2012
23:25
Not applicable
Storagewmi_passthru.dll
6.2.9200.16384
17,920
26-Jul-2012
03:20
x86
Storagewmi_passthru.mof
Not applicable
1,898
02-Jun-2012
14:55
Not applicable
Storagewmi_passthru_uninstall.mof
Not applicable
1,651
02-Jun-2012
14:55
Not applicable
Storagewmi_uninstall.mof
Not applicable
7,472
17-Jun-2012
15:33
Not applicable
Storewuauth.dll
6.2.9200.16465
146,944
27-Nov-2012
04:20
x86
Storewuauth.dll
6.2.9200.20569
146,944
27-Nov-2012
04:23
x86
Storport.sys
6.2.9200.16465
302,312
27-Nov-2012
05:17
x86
Storport.sys
6.2.9200.20569
302,312
27-Nov-2012
04:52
x86
Systemeventsbrokerserver.dll
6.2.9200.16473
117,248
06-Dec-2012
04:22
x86
Systemeventsbrokerserver.dll
6.2.9200.20577
117,248
06-Dec-2012
04:25
x86
Tahoma.ttf
Not applicable
597,088
20-Nov-2012
00:07
Not applicable
Tahomabd.ttf
Not applicable
541,060
20-Nov-2012
00:07
Not applicable
Task manager.lnk
Not applicable
1,120
25-Jul-2012
20:19
Not applicable
Taskhost.exe
6.2.9200.16449
53,760
02-Nov-2012
05:22
x86
Taskhost.exe
6.2.9200.20569
53,760
27-Nov-2012
04:23
x86
Taskhostex.exe
6.2.9200.16449
53,760
02-Nov-2012
05:22
x86
Taskhostex.exe
6.2.9200.20569
53,760
27-Nov-2012
04:23
x86
Taskmgr.exe
6.2.9200.16465
1,027,152
27-Nov-2012
04:49
x86
Taskmgr.exe
6.2.9200.20569
1,027,152
27-Nov-2012
05:14
x86
Timebrokerserver.dll
6.2.9200.16473
114,176
06-Dec-2012
04:23
x86
Timebrokerserver.dll
6.2.9200.20577
114,176
06-Dec-2012
04:25
x86
Times.ttf
Not applicable
814,368
20-Nov-2012
00:07
Not applicable
Timesbd.ttf
Not applicable
815,548
20-Nov-2012
00:07
Not applicable
Timesbi.ttf
Not applicable
626,864
02-Jun-2012
20:25
Not applicable
Timesi.ttf
Not applicable
681,472
02-Jun-2012
20:25
Not applicable
Tsgqec.dll
6.2.9200.16384
37,376
26-Jul-2012
03:20
x86
Twinui.dll
6.2.9200.16438
8,856,576
18-Oct-2012
02:46
x86
Twinui.dll
6.2.9200.20569
8,856,576
27-Nov-2012
04:23
x86
Twinui-ppdlic.xrm-ms
Not applicable
2,889
18-Oct-2012
03:48
Not applicable
Ubpm.dll
6.2.9200.16449
246,784
02-Nov-2012
05:21
x86
Ubpm.dll
6.2.9200.20569
246,784
27-Nov-2012
04:23
x86
Usbmon.dll
6.2.9200.16465
192,000
27-Nov-2012
04:20
x86
Usbmon.dll
6.2.9200.20569
192,000
27-Nov-2012
04:23
x86
Userlanguagescpl.dll
6.2.9200.16465
560,128
27-Nov-2012
04:20
x86
Userlanguagescpl.dll
6.2.9200.20569
560,128
27-Nov-2012
04:23
x86
Vds.exe
6.2.9200.16465
581,120
27-Nov-2012
04:20
x86
Vds.exe
6.2.9200.20569
581,120
27-Nov-2012
04:23
x86
Vds_ps.dll
6.2.9200.16414
46,592
11-Sep-2012
04:53
x86
Vdsldr.exe
6.2.9200.16414
20,480
11-Sep-2012
04:53
x86
Vdsutil.dll
6.2.9200.16414
158,720
11-Sep-2012
04:53
x86
Vdsutil.dll
6.2.9200.20569
158,720
27-Nov-2012
04:23
x86
Webcamui.dll
6.2.9200.16465
798,208
27-Nov-2012
04:20
x86
Webcamui.dll
6.2.9200.20569
798,208
27-Nov-2012
04:23
x86
Wfplwfs.sys
6.2.9200.16384
38,640
26-Jul-2012
03:40
x86
Win32k.ptxml
Not applicable
4,172
11-Oct-2012
00:38
Not applicable
Win32k.sys
6.2.9200.16471
3,401,728
04-Dec-2012
03:56
x86
Win32k.sys
6.2.9200.20575
3,401,728
04-Dec-2012
03:56
x86
Windows store.lnk
Not applicable
2,028
02-Nov-2012
00:25
Not applicable
Windows.systemtoast.autoplay.lnk
Not applicable
1,454
17-Oct-2012
22:35
Not applicable
Windows.systemtoast.share.lnk
Not applicable
1,547
17-Oct-2012
22:35
Not applicable
Windowsupdateclient-core.ptxml
Not applicable
11,791
02-Nov-2012
00:43
Not applicable
Winmde.dll
12.0.9200.16465
891,904
27-Nov-2012
04:20
x86
Winmde.dll
12.0.9200.20569
891,904
27-Nov-2012
04:23
x86
Winstore.ui.winmd
Not applicable
13,824
02-Nov-2012
00:43
Not applicable
Winstoreui.dll
6.2.9200.16465
628,224
27-Nov-2012
04:20
x86
Winstoreui.dll
6.2.9200.20569
628,224
27-Nov-2012
04:23
x86
Winstoreui-ppdlic.xrm-ms
Not applicable
2,885
27-Nov-2012
04:31
Not applicable
Wmpmde.dll
12.0.9200.16465
818,176
27-Nov-2012
04:20
x86
Wmpmde.dll
12.0.9200.20569
818,176
27-Nov-2012
04:23
x86
Wpnapps.dll
6.2.9200.16465
179,200
27-Nov-2012
04:20
x86
Wpnapps.dll
6.2.9200.20569
179,200
27-Nov-2012
04:23
x86
Wsdmon.dll
6.2.9200.16465
215,040
27-Nov-2012
04:20
x86
Wsdmon.dll
6.2.9200.20569
215,040
27-Nov-2012
04:23
x86
Wuaext.dll
7.8.9200.16449
15,872
02-Nov-2012
05:21
x86
Wuaext.dll
7.8.9200.20569
15,872
27-Nov-2012
04:23
x86
Wuapi.dll
7.8.9200.16449
621,056
02-Nov-2012
05:21
x86
Wuapi.dll
7.8.9200.20569
621,056
27-Nov-2012
04:23
x86
Wuapp.exe
7.8.9200.16449
34,304
02-Nov-2012
05:22
x86
Wuapp.exe
7.8.9200.20569
34,304
27-Nov-2012
04:23
x86
Wuauclt.exe
7.8.9200.16465
52,032
27-Nov-2012
04:31
x86
Wuauclt.exe
7.8.9200.20569
52,032
27-Nov-2012
04:44
x86
Wuaueng.dll
7.8.9200.16465
2,713,600
27-Nov-2012
04:20
x86
Wuaueng.dll
7.8.9200.20569
2,713,600
27-Nov-2012
04:23
x86
Wucltux.dll
7.8.9200.16449
1,555,456
02-Nov-2012
05:21
x86
Wucltux.dll
7.8.9200.20569
1,555,456
27-Nov-2012
04:23
x86
Wudriver.dll
7.8.9200.16449
83,968
02-Nov-2012
05:21
x86
Wudriver.dll
7.8.9200.20569
83,968
27-Nov-2012
04:23
x86
Wups.dll
7.8.9200.16449
18,432
02-Nov-2012
05:21
x86
Wups.dll
7.8.9200.20569
18,432
27-Nov-2012
04:23
x86
Wups2.dll
7.8.9200.16449
20,992
02-Nov-2012
05:21
x86
Wups2.dll
7.8.9200.20569
20,992
27-Nov-2012
04:23
x86
Wusettingsprovider.dll
7.8.9200.16449
215,040
02-Nov-2012
05:21
x86
Wusettingsprovider.dll
7.8.9200.20569
215,040
27-Nov-2012
04:23
x86
Wushareduxresources.dll
7.8.9200.16449
99,328
02-Nov-2012
05:00
x86
Wushareduxresources.dll
7.8.9200.20569
99,328
27-Nov-2012
04:02
x86
Wuwebv.dll
7.8.9200.16449
125,952
02-Nov-2012
05:21
x86
Wuwebv.dll
7.8.9200.20569
125,952
27-Nov-2012
04:23
x86
For all supported x64-based versions of Windows 8 and of Windows Server 2012