A compatibility update is a software update that improves the compatibility experience in Windows 8.1 and Windows Server 2012 R2. Microsoft regularly releases Windows compatibility updates to improve the overall user experience.
This compatibility update is dated April 2015.
Update information
How to obtain this update
This compatibility update is offered when you upgrade to the release version of Windows 8.1 or Windows Server 2012 R2.
The kinds of problems that are resolved by application compatibility updates
When you try to install and run certain games or applications in Windows 8.1 or Windows Server 2012 R2, you may experience one or more of the following symptoms:
-
The game, the application, or the driver is installed incorrectly.
-
The game, the application, or the driver causes system instability.
-
The primary functions of the game, the application, or the firmware do not work correctly.
Applications or devices that experience a change in behavior after you install this update
The following table lists the applications and devices that were included in this cumulative update package. This table also describes the behavior of these applications and devices after you install the update.
Compatibility updates trigger several changes in Windows 8.1 and Windows Server 2012 R2. The following are the most common:
Hard block
This prevents an application that is incompatible with Windows 8.1 or Windows Server 2012 R2 from running on the system.
Note Microsoft enables Windows to put a hard block on a non-Microsoft application only if the manufacturer is notified.
Soft block
This notifies you when a primary function of the application may not work or may cause application instability.
Driver block
May block an existing driver on your computer. When the driver is migrated during the upgrade, an Inbox driver will be installed.
Applications and devices that are included in this update
Applications or Devices |
Version |
Behavior after you install the update |
---|---|---|
Microchip HUB |
not available |
Storage devices connected to the Microchip hub work correctly after safe removal |
PSC (Datalogic) Scanner |
not available |
Embedded scanner under xHCI controller works correctly |
AMD USB xHCI Controller |
not available |
Eliminate the crash AV_USBXHCI!Bulk_Transfer_CompleteCancelable |
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 8.1 and Windows Server 2012 R2 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
6.3.960 0.16 xxx
Windows 8.1 and Windows Server 2012 R2
RTM
GDR
6.3.960 0.17xxx
Windows 8.1 and Windows Server 2012 R2
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 8.1
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Apphelp.dll |
6.3.9600.17415 |
642,560 |
28-Oct-2014 |
11:00 |
x86 |
Sdbinst.exe |
6.3.9600.17725 |
21,504 |
10-Mar-2015 |
10:09 |
x86 |
Shimeng.dll |
6.3.9600.17415 |
5,632 |
28-Oct-2014 |
11:00 |
x86 |
Acres.dll |
6.3.9600.16384 |
310,784 |
21-Aug-2013 |
13:16 |
x86 |
Sysmain.sdb |
Not applicable |
3,833,752 |
10-Mar-2015 |
07:18 |
Not applicable |
Msimain.sdb |
Not applicable |
2,726,550 |
10-Mar-2015 |
07:18 |
Not applicable |
Acgenral.dll |
6.3.9600.17725 |
2,490,368 |
10-Mar-2015 |
09:32 |
x86 |
Acwinrt.dll |
6.3.9600.17415 |
8,704 |
28-Oct-2014 |
10:01 |
x86 |
Acspecfc.dll |
6.3.9600.17725 |
449,024 |
10-Mar-2015 |
09:35 |
x86 |
Drvmain.sdb |
Not applicable |
121,202 |
10-Mar-2015 |
07:18 |
Not applicable |
For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Apphelp.dll |
6.3.9600.17415 |
564,224 |
28-Oct-2014 |
11:44 |
x64 |
Sdbinst.exe |
6.3.9600.17725 |
24,576 |
10-Mar-2015 |
10:49 |
x64 |
Shimeng.dll |
6.3.9600.17415 |
7,168 |
28-Oct-2014 |
11:45 |
x64 |
Sysmain.sdb |
Not applicable |
433,488 |
10-Mar-2015 |
07:17 |
Not applicable |
Msimain.sdb |
Not applicable |
2,756,926 |
10-Mar-2015 |
07:17 |
Not applicable |
Acgenral.dll |
6.3.9600.17725 |
317,440 |
10-Mar-2015 |
09:58 |
x64 |
Acwinrt.dll |
6.3.9600.17415 |
10,752 |
28-Oct-2014 |
10:22 |
x64 |
Acspecfc.dll |
6.3.9600.17725 |
42,496 |
10-Mar-2015 |
10:05 |
x64 |
Drvmain.sdb |
Not applicable |
122,480 |
10-Mar-2015 |
07:17 |
Not applicable |
Apphelp.dll |
6.3.9600.17415 |
642,560 |
28-Oct-2014 |
11:00 |
x86 |
Sdbinst.exe |
6.3.9600.17725 |
21,504 |
10-Mar-2015 |
10:09 |
x86 |
Shimeng.dll |
6.3.9600.17415 |
5,632 |
28-Oct-2014 |
11:00 |
x86 |
Acres.dll |
6.3.9600.16384 |
310,784 |
21-Aug-2013 |
13:16 |
x86 |
Sysmain.sdb |
Not applicable |
3,833,752 |
10-Mar-2015 |
07:18 |
Not applicable |
Acgenral.dll |
6.3.9600.17725 |
2,490,368 |
10-Mar-2015 |
09:32 |
x86 |
Acwinrt.dll |
6.3.9600.17415 |
8,704 |
28-Oct-2014 |
10:01 |
x86 |
Acspecfc.dll |
6.3.9600.17725 |
449,024 |
10-Mar-2015 |
09:35 |
x86 |
Additional file information
Additional file information for Windows 8.1 and for Windows Server 2012 R2
Additional files for all supported x86-based versions of Windows 8.1
File property |
Value |
---|---|
File name |
X86_18c90c8f3dd3d66330a0bc91320e680a_31bf3856ad364e35_6.3.9600.17725_none_9c10f79f0e99b33e.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_32030cfda08755983c00cb8cd607296f_31bf3856ad364e35_6.3.9600.17725_none_92371020f931bb8f.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_77084f1ba8ebb2650a5f6ca9fe9c7a26_31bf3856ad364e35_6.3.9600.17725_none_c28d11eae9b381a5.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_8b1f7122a604e3010f46a250e038f203_31bf3856ad364e35_6.3.9600.17725_none_2437ebe5d1bf23fb.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_be7a1b519ae4479fcb8b4d18e4292065_31bf3856ad364e35_6.3.9600.17725_none_103707cee25b536d.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_cebf874e74b69a40d1e2fb81afd33dc6_31bf3856ad364e35_6.3.9600.17725_none_f7d0405d2d0c4897.manifest |
File version |
Not applicable |
File size |
725 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-infrastructure_31bf3856ad364e35_6.3.9600.17725_none_69f298e76821ebef.manifest |
File version |
Not applicable |
File size |
13,037 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:44 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.3.9600.17725_none_a103cd530db480f9.manifest |
File version |
Not applicable |
File size |
3,312 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:44 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.3.9600.17725_none_a104cd9d0db39a50.manifest |
File version |
Not applicable |
File size |
2,558 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:20 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.3.9600.17725_none_a105cde70db2b3a7.manifest |
File version |
Not applicable |
File size |
3,310 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:44 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.3.9600.17725_none_a106ce310db1ccfe.manifest |
File version |
Not applicable |
File size |
2,552 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:20 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.3.9600.17725_none_a109cf0f0daf1903.manifest |
File version |
Not applicable |
File size |
1,867 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:20 |
Platform |
Not applicable |
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File property |
Value |
---|---|
File name |
Amd64_4103e87fd4391c31b49b0e0f3476e08c_31bf3856ad364e35_6.3.9600.17725_none_ee1af89fce415d87.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_5b6ed6835dad9e505203dff7de1cb586_31bf3856ad364e35_6.3.9600.17725_none_2d715b5c2b11344c.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_8465f6bfe4bf959df27ede45eed3c19d_31bf3856ad364e35_6.3.9600.17725_none_473773ffdb841644.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_8963f0d31fbfc46b61aae627fa55ab6f_31bf3856ad364e35_6.3.9600.17725_none_03f20dec9ac675ad.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_a3a2bffc1cb21ba62a2bd2f347e34d96_31bf3856ad364e35_6.3.9600.17725_none_b2133d04159bfdaf.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_a784a6dbcf76353856b83a401259204f_31bf3856ad364e35_6.3.9600.17725_none_456d2d238fe8c061.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_af271926db28c514b9ba27463eb7acfc_31bf3856ad364e35_6.3.9600.17725_none_ee4b6b7f6f8a0159.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_be7a1b519ae4479fcb8b4d18e4292065_31bf3856ad364e35_6.3.9600.17725_none_6c55a3529ab8c4a3.manifest |
File version |
Not applicable |
File size |
727 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_c3cbeef4aa9f04038db037dac8cccfa6_31bf3856ad364e35_6.3.9600.17725_none_aba08315e83d5810.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_cebf874e74b69a40d1e2fb81afd33dc6_31bf3856ad364e35_6.3.9600.17725_none_53eedbe0e569b9cd.manifest |
File version |
Not applicable |
File size |
727 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_e6f61db667adabb71a2fc7951bb9714a_31bf3856ad364e35_6.3.9600.17725_none_fd8f12d16f83f888.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_f66e18e6dc3659a155286ce84c76e86e_31bf3856ad364e35_6.3.9600.17725_none_a177bc909b5dea9e.manifest |
File version |
Not applicable |
File size |
729 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:40 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-infrastructure_31bf3856ad364e35_6.3.9600.17725_none_c611346b207f5d25.manifest |
File version |
Not applicable |
File size |
13,368 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:47 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.3.9600.17725_none_fd2268d6c611f22f.manifest |
File version |
Not applicable |
File size |
2,573 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
12:03 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.3.9600.17725_none_fd236920c6110b86.manifest |
File version |
Not applicable |
File size |
2,562 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
12:03 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.3.9600.17725_none_fd24696ac61024dd.manifest |
File version |
Not applicable |
File size |
3,336 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:47 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.3.9600.17725_none_fd2569b4c60f3e34.manifest |
File version |
Not applicable |
File size |
2,567 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
12:03 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.3.9600.17725_none_fd286a92c60c8a39.manifest |
File version |
Not applicable |
File size |
1,869 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
12:03 |
Platform |
Not applicable |
File name |
Wow64_microsoft-windows-a..ence-infrastructure_31bf3856ad364e35_6.3.9600.17725_none_d065debd54e01f20.manifest |
File version |
Not applicable |
File size |
13,039 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:47 |
Platform |
Not applicable |
File name |
Wow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.3.9600.17725_none_07771328fa72b42a.manifest |
File version |
Not applicable |
File size |
3,314 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:47 |
Platform |
Not applicable |
File name |
Wow64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.3.9600.17725_none_07781372fa71cd81.manifest |
File version |
Not applicable |
File size |
1,141 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:19 |
Platform |
Not applicable |
File name |
Wow64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.3.9600.17725_none_077d14e4fa6d4c34.manifest |
File version |
Not applicable |
File size |
450 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:19 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c3_31bf3856ad364e35_6.3.9600.17725_none_a105cde70db2b3a7.manifest |
File version |
Not applicable |
File size |
3,310 |
Date (UTC) |
12-Mar-2015 |
Time (UTC) |
08:47 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.3.9600.17725_none_a106ce310db1ccfe.manifest |
File version |
Not applicable |
File size |
2,552 |
Date (UTC) |
10-Mar-2015 |
Time (UTC) |
11:20 |
Platform |
Not applicable |
References
See the terminology that Microsoft uses to describe software updates.
Third-party information disclaimer
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.