Warning:Â The retired, out-of-support Internet Explorer 11 desktop application has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10. For more information, see Internet Explorer 11 desktop app retirement FAQ.
Introduction
This article describes an update that improves the network performance of Windows Internet Explorer 11 in Windows RT 8.1, Windows 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1.Â
Resolution
To resolve this issue, install update 2919355 in Windows 8.1 and Windows Server 2012 R2, or install update 2888049 in Windows 7 SP1 and Windows Server 2008 R2 SP1.
More Information
After you install this update, Windows sends ACK messages without a delay when it uses Transmission Control Protocol (TCP) protocol connections. Note The TCP protocol is a common protocol that a computer uses in network connections. Â
Update information for Windows 8.1 and Windows Server 2012 R2
For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014 Â
Update information for Windows 7 SP1 and Windows Server 2008 R2 SP1
How to obtain this update
Windows Update
This update is available from Windows Update.
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
|
Operating system |
Update |
|---|---|
|
All supported x86-based versions of Windows 7 |
|
|
All supported x64-based versions of Windows 7 |
|
|
All supported x64-based versions of Windows Server 2008 R2 |
|
|
All supported IA-64-based versions of Windows Server 2008 R2 |
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Prerequisites
To apply this hotfix, you must be running Windows 7 SP1 or Windows Server 2008 R2 SP1. For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2
Registry information
To apply this hotfix, you do not have to make any changes to the registry.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
The global version of this hotfix 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 and Windows Server 2008 R2 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:
Version
Product
Milestone
Service branch
6.1.760 1.17xxx
Windows 7 and Windows Server 2008 R2
SP1
GDR
6.1.760 1.22xxx
Windows 7 and Windows Server 2008 R2
SP1
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 listed separately in the "Additional file information " section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. 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 |
|---|---|---|---|---|---|
|
Netio.sys |
6.1.7601.17939 |
240,496 |
22-Aug-12 |
17:16 |
x86 |
|
Netio.sys |
6.1.7601.22457 |
240,576 |
14-Sep-13 |
1:51 |
x86 |
|
Fwpkclnt.sys |
6.1.7601.18042 |
187,752 |
3-Jan-13 |
5:04 |
x86 |
|
Tcpip.sys |
6.1.7601.18254 |
1,294,272 |
8-Sep-13 |
2:07 |
x86 |
|
Fwpkclnt.sys |
6.1.7601.22444 |
187,840 |
7-Sep-13 |
2:06 |
x86 |
|
Tcpip.sys |
6.1.7601.22444 |
1,309,120 |
7-Sep-13 |
2:06 |
x86 |
|
Mswsock.dll |
6.1.7601.18254 |
231,424 |
8-Sep-13 |
2:03 |
x86 |
|
Mswsock.dll |
6.1.7601.22444 |
231,424 |
7-Sep-13 |
2:04 |
x86 |
|
Afd.sys |
6.1.7601.18264 |
338,944 |
14-Sep-13 |
0:48 |
x86 |
|
Afd.sys |
6.1.7601.22457 |
338,944 |
14-Sep-13 |
0:57 |
x86 |
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Netio.sys |
6.1.7601.17939 |
376,688 |
22-Aug-12 |
18:12 |
x64 |
|
Netio.sys |
6.1.7601.22457 |
376,768 |
14-Sep-13 |
2:20 |
x64 |
|
Fwpkclnt.sys |
6.1.7601.18042 |
288,088 |
3-Jan-13 |
6:00 |
x64 |
|
Tcpip.sys |
6.1.7601.18254 |
1,903,552 |
8-Sep-13 |
2:30 |
x64 |
|
Fwpkclnt.sys |
6.1.7601.22444 |
288,192 |
7-Sep-13 |
2:27 |
x64 |
|
Tcpip.sys |
6.1.7601.22444 |
1,896,896 |
7-Sep-13 |
2:27 |
x64 |
|
Mswsock.dll |
6.1.7601.18254 |
327,168 |
8-Sep-13 |
2:27 |
x64 |
|
Mswsock.dll |
6.1.7601.22444 |
327,168 |
7-Sep-13 |
2:24 |
x64 |
|
Afd.sys |
6.1.7601.18264 |
497,152 |
14-Sep-13 |
1:10 |
x64 |
|
Afd.sys |
6.1.7601.22457 |
496,128 |
14-Sep-13 |
1:11 |
x64 |
|
Mswsock.dll |
6.1.7601.18254 |
231,424 |
8-Sep-13 |
2:03 |
x86 |
|
Mswsock.dll |
6.1.7601.22444 |
231,424 |
7-Sep-13 |
2:04 |
x86 |
For all supported IA-64-based versions of Windows Server 2008 R2
|
File name |
File version |
File size |
Date |
Time |
Platform |
|---|---|---|---|---|---|
|
Netio.sys |
6.1.7601.17939 |
711,024 |
22-Aug-12 |
16:51 |
IA-64 |
|
Netio.sys |
6.1.7601.22457 |
711,104 |
14-Sep-13 |
1:34 |
IA-64 |
|
Fwpkclnt.sys |
6.1.7601.18042 |
482,152 |
3-Jan-13 |
4:45 |
IA-64 |
|
Tcpip.sys |
6.1.7601.18254 |
3,790,272 |
8-Sep-13 |
1:35 |
IA-64 |
|
Fwpkclnt.sys |
6.1.7601.22444 |
482,240 |
7-Sep-13 |
1:36 |
IA-64 |
|
Tcpip.sys |
6.1.7601.22444 |
3,805,120 |
7-Sep-13 |
1:36 |
IA-64 |
|
Mswsock.dll |
6.1.7601.18254 |
750,592 |
8-Sep-13 |
1:32 |
IA-64 |
|
Mswsock.dll |
6.1.7601.22444 |
750,592 |
7-Sep-13 |
1:34 |
IA-64 |
|
Afd.sys |
6.1.7601.18264 |
1,114,624 |
14-Sep-13 |
0:38 |
IA-64 |
|
Afd.sys |
6.1.7601.22457 |
1,115,136 |
14-Sep-13 |
0:42 |
IA-64 |
|
Mswsock.dll |
6.1.7601.18254 |
231,424 |
8-Sep-13 |
2:03 |
x86 |
|
Mswsock.dll |
6.1.7601.22444 |
231,424 |
7-Sep-13 |
2:04 |
x86 |
Additional file information
