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Symptoms

When you repeatedly create and then delete an instance of a Network Driver Interface Specification (NDIS) miniport driver in Windows Embedded Compact 7, a memory leak may occur in the NK.exe process.

Note The NK.exe process is the core process of the Windows Embedded Compact 7 system.

For example, this issue may occur when you repeatedly perform one of the following operations to dynamically create and then delete a new NDIS device instance:

  • You call the NdisRegisterAdapter and NdisDeregisterAdapter functions.

  • You send the IOCTL_NDIS_REGISTER_ADAPTER and IOCTL_NDIS_DEREGISTER_ADAPTER NDIS DeviceIoControl requests.


Resolution

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update (April 2012). In the "File information" section, the package file name contains the processor type.

Note This Windows Embedded Compact 7 monthly update is available for download from the following Microsoft Download Center website:

Windows Embedded Compact 7 Updates

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

  • On the Build menu, click Clean Solution, and then click Build Solution.

  • On the Build menu, click Rebuild Solution.

You do not have to restart the computer after you apply this software update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this software update package has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Files that are included in this update package

File name

File size

Date

Time

Path

Route.exe

53,248

26-Apr-2012

20:38

Public\Common\Oak\Target\Armv5\Checked

Tcpipreg.dll

77,824

26-Apr-2012

17:29

Public\Common\Oak\Target\Armv5\Checked

Route.exe

65,536

26-Apr-2012

20:38

Public\Common\Oak\Target\Armv5\Debug

Tcpipreg.dll

94,208

26-Apr-2012

17:29

Public\Common\Oak\Target\Armv5\Debug

Route.exe

49,152

26-Apr-2012

20:37

Public\Common\Oak\Target\Armv5\Retail

Tcpipreg.dll

49,152

26-Apr-2012

17:29

Public\Common\Oak\Target\Armv5\Retail

Route.exe

53,248

26-Apr-2012

20:38

Public\Common\Oak\Target\Armv6\Checked

Tcpipreg.dll

77,824

26-Apr-2012

17:31

Public\Common\Oak\Target\Armv6\Checked

Route.exe

65,536

26-Apr-2012

20:39

Public\Common\Oak\Target\Armv6\Debug

Tcpipreg.dll

94,208

26-Apr-2012

17:31

Public\Common\Oak\Target\Armv6\Debug

Route.exe

49,152

26-Apr-2012

20:38

Public\Common\Oak\Target\Armv6\Retail

Tcpipreg.dll

49,152

26-Apr-2012

17:31

Public\Common\Oak\Target\Armv6\Retail

Route.exe

53,248

26-Apr-2012

20:39

Public\Common\Oak\Target\Armv7\Checked

Tcpipreg.dll

77,824

26-Apr-2012

17:33

Public\Common\Oak\Target\Armv7\Checked

Route.exe

65,536

26-Apr-2012

20:39

Public\Common\Oak\Target\Armv7\Debug

Tcpipreg.dll

94,208

26-Apr-2012

17:33

Public\Common\Oak\Target\Armv7\Debug

Route.exe

49,152

26-Apr-2012

20:39

Public\Common\Oak\Target\Armv7\Retail

Tcpipreg.dll

49,152

26-Apr-2012

17:33

Public\Common\Oak\Target\Armv7\Retail

Route.exe

57,344

26-Apr-2012

20:40

Public\Common\Oak\Target\Mipsii\Checked

Tcpipreg.dll

94,208

26-Apr-2012

17:35

Public\Common\Oak\Target\Mipsii\Checked

Route.exe

65,536

26-Apr-2012

20:40

Public\Common\Oak\Target\Mipsii\Debug

Tcpipreg.dll

110,592

26-Apr-2012

17:35

Public\Common\Oak\Target\Mipsii\Debug

Route.exe

49,152

26-Apr-2012

20:40

Public\Common\Oak\Target\Mipsii\Retail

Tcpipreg.dll

57,344

26-Apr-2012

17:34

Public\Common\Oak\Target\Mipsii\Retail

Route.exe

57,344

26-Apr-2012

20:40

Public\Common\Oak\Target\Mipsii_fp\Checked

Tcpipreg.dll

94,208

26-Apr-2012

17:36

Public\Common\Oak\Target\Mipsii_fp\Checked

Route.exe

65,536

26-Apr-2012

20:41

Public\Common\Oak\Target\Mipsii_fp\Debug

Tcpipreg.dll

110,592

26-Apr-2012

17:36

Public\Common\Oak\Target\Mipsii_fp\Debug

Route.exe

49,152

26-Apr-2012

20:40

Public\Common\Oak\Target\Mipsii_fp\Retail

Tcpipreg.dll

57,344

26-Apr-2012

17:36

Public\Common\Oak\Target\Mipsii_fp\Retail

Route.exe

49,152

26-Apr-2012

20:41

Public\Common\Oak\Target\Sh4\Checked

Tcpipreg.dll

65,536

26-Apr-2012

17:38

Public\Common\Oak\Target\Sh4\Checked

Route.exe

57,344

26-Apr-2012

20:41

Public\Common\Oak\Target\Sh4\Debug

Tcpipreg.dll

77,824

26-Apr-2012

17:38

Public\Common\Oak\Target\Sh4\Debug

Route.exe

45,056

26-Apr-2012

20:41

Public\Common\Oak\Target\Sh4\Retail

Tcpipreg.dll

45,056

26-Apr-2012

17:38

Public\Common\Oak\Target\Sh4\Retail

Route.exe

45,056

26-Apr-2012

20:42

Public\Common\Oak\Target\X86\Checked

Tcpipreg.dll

61,440

26-Apr-2012

17:40

Public\Common\Oak\Target\X86\Checked

Route.exe

49,152

26-Apr-2012

20:42

Public\Common\Oak\Target\X86\Debug

Tcpipreg.dll

69,632

26-Apr-2012

17:40

Public\Common\Oak\Target\X86\Debug

Route.exe

40,960

26-Apr-2012

20:42

Public\Common\Oak\Target\X86\Retail

Tcpipreg.dll

36,864

26-Apr-2012

17:39

Public\Common\Oak\Target\X86\Retail

Flnglib.lib

857,252

26-Apr-2012

20:53

Public\Common\Oak\Lib\Armv5\Checked

Tcpipreg.lib

1,998

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Checked

Vcompat.lib

419,006

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Checked

Flnglib.lib

900,306

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv5\Debug

Tcpipreg.lib

1,998

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Debug

Vcompat.lib

441,962

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Debug

Flnglib.lib

746,116

26-Apr-2012

20:53

Public\Common\Oak\Lib\Armv5\Retail

Tcpipreg.lib

1,998

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Retail

Vcompat.lib

411,290

26-Apr-2012

17:29

Public\Common\Oak\Lib\Armv5\Retail

Flnglib.lib

856,962

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv6\Checked

Tcpipreg.lib

1,998

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Checked

Vcompat.lib

418,970

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Checked

Flnglib.lib

900,190

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv6\Debug

Tcpipreg.lib

1,998

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Debug

Vcompat.lib

441,974

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Debug

Flnglib.lib

745,734

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv6\Retail

Tcpipreg.lib

1,998

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Retail

Vcompat.lib

411,254

26-Apr-2012

17:31

Public\Common\Oak\Lib\Armv6\Retail

Flnglib.lib

848,072

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv7\Checked

Tcpipreg.lib

1,998

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Checked

Vcompat.lib

418,048

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Checked

Flnglib.lib

893,048

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv7\Debug

Tcpipreg.lib

1,998

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Debug

Vcompat.lib

441,404

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Debug

Flnglib.lib

742,766

26-Apr-2012

20:54

Public\Common\Oak\Lib\Armv7\Retail

Tcpipreg.lib

1,998

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Retail

Vcompat.lib

410,806

26-Apr-2012

17:33

Public\Common\Oak\Lib\Armv7\Retail

Flnglib.lib

817,532

26-Apr-2012

20:54

Public\Common\Oak\Lib\Mipsii\Checked

Tcpipreg.lib

1,998

26-Apr-2012

17:35

Public\Common\Oak\Lib\Mipsii\Checked

Vcompat.lib

406,492

26-Apr-2012

17:34

Public\Common\Oak\Lib\Mipsii\Checked

Flnglib.lib

883,570

26-Apr-2012

20:54

Public\Common\Oak\Lib\Mipsii\Debug

Tcpipreg.lib

1,998

26-Apr-2012

17:35

Public\Common\Oak\Lib\Mipsii\Debug

Vcompat.lib

431,400

26-Apr-2012

17:34

Public\Common\Oak\Lib\Mipsii\Debug

Flnglib.lib

728,084

26-Apr-2012

20:54

Public\Common\Oak\Lib\Mipsii\Retail

Tcpipreg.lib

1,998

26-Apr-2012

17:34

Public\Common\Oak\Lib\Mipsii\Retail

Vcompat.lib

399,996

26-Apr-2012

17:34

Public\Common\Oak\Lib\Mipsii\Retail

Flnglib.lib

817,928

26-Apr-2012

20:55

Public\Common\Oak\Lib\Mipsii_fp\Checked

Tcpipreg.lib

1,998

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Checked

Vcompat.lib

407,222

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Checked

Flnglib.lib

883,998

26-Apr-2012

20:55

Public\Common\Oak\Lib\Mipsii_fp\Debug

Tcpipreg.lib

1,998

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Debug

Vcompat.lib

432,190

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Debug

Flnglib.lib

728,504

26-Apr-2012

20:55

Public\Common\Oak\Lib\Mipsii_fp\Retail

Tcpipreg.lib

1,998

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Retail

Vcompat.lib

400,796

26-Apr-2012

17:36

Public\Common\Oak\Lib\Mipsii_fp\Retail

Flnglib.lib

742,094

26-Apr-2012

20:55

Public\Common\Oak\Lib\Sh4\Checked

Tcpipreg.lib

2,008

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Checked

Vcompat.lib

383,870

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Checked

Flnglib.lib

793,386

26-Apr-2012

20:55

Public\Common\Oak\Lib\Sh4\Debug

Tcpipreg.lib

2,008

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Debug

Vcompat.lib

405,722

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Debug

Flnglib.lib

686,212

26-Apr-2012

20:55

Public\Common\Oak\Lib\Sh4\Retail

Tcpipreg.lib

2,008

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Retail

Vcompat.lib

384,936

26-Apr-2012

17:38

Public\Common\Oak\Lib\Sh4\Retail

Flnglib.lib

724,408

26-Apr-2012

20:55

Public\Common\Oak\Lib\X86\Checked

Tcpipreg.lib

2,008

26-Apr-2012

17:40

Public\Common\Oak\Lib\X86\Checked

Vcompat.lib

382,842

26-Apr-2012

17:39

Public\Common\Oak\Lib\X86\Checked

Flnglib.lib

722,946

26-Apr-2012

20:55

Public\Common\Oak\Lib\X86\Debug

Tcpipreg.lib

2,008

26-Apr-2012

17:40

Public\Common\Oak\Lib\X86\Debug

Vcompat.lib

384,866

26-Apr-2012

17:39

Public\Common\Oak\Lib\X86\Debug

Flnglib.lib

649,538

26-Apr-2012

20:55

Public\Common\Oak\Lib\X86\Retail

Tcpipreg.lib

2,008

26-Apr-2012

17:39

Public\Common\Oak\Lib\X86\Retail

Vcompat.lib

375,428

26-Apr-2012

17:39

Public\Common\Oak\Lib\X86\Retail

Firewall.dll

32,768

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv5\Checked

Wlanext.exe

184,320

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv5\Checked

Firewall.dll

45,056

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv5\Debug

Wlanext.exe

286,720

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv5\Debug

Firewall.dll

24,576

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv5\Retail

Wlanext.exe

90,112

26-Apr-2012

20:37

Public\Servers\Oak\Target\Armv5\Retail

Firewall.dll

32,768

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv6\Checked

Wlanext.exe

184,320

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv6\Checked

Firewall.dll

45,056

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv6\Debug

Wlanext.exe

286,720

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv6\Debug

Firewall.dll

24,576

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv6\Retail

Wlanext.exe

90,112

26-Apr-2012

20:38

Public\Servers\Oak\Target\Armv6\Retail

Firewall.dll

32,768

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Checked

Wlanext.exe

180,224

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Checked

Firewall.dll

45,056

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Debug

Wlanext.exe

282,624

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Debug

Firewall.dll

24,576

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Retail

Wlanext.exe

90,112

26-Apr-2012

20:39

Public\Servers\Oak\Target\Armv7\Retail

Firewall.dll

36,864

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Checked

Wlanext.exe

241,664

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Checked

Firewall.dll

45,056

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Debug

Wlanext.exe

335,872

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Debug

Firewall.dll

28,672

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Retail

Wlanext.exe

122,880

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii\Retail

Firewall.dll

36,864

26-Apr-2012

20:41

Public\Servers\Oak\Target\Mipsii_fp\Checked

Wlanext.exe

241,664

26-Apr-2012

20:41

Public\Servers\Oak\Target\Mipsii_fp\Checked

Firewall.dll

45,056

26-Apr-2012

20:41

Public\Servers\Oak\Target\Mipsii_fp\Debug

Wlanext.exe

335,872

26-Apr-2012

20:41

Public\Servers\Oak\Target\Mipsii_fp\Debug

Firewall.dll

28,672

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii_fp\Retail

Wlanext.exe

122,880

26-Apr-2012

20:40

Public\Servers\Oak\Target\Mipsii_fp\Retail

Firewall.dll

32,768

26-Apr-2012

20:41

Public\Servers\Oak\Target\Sh4\Checked

Wlanext.exe

167,936

26-Apr-2012

20:41

Public\Servers\Oak\Target\Sh4\Checked

Firewall.dll

40,960

26-Apr-2012

20:42

Public\Servers\Oak\Target\Sh4\Debug

Wlanext.exe

225,280

26-Apr-2012

20:41

Public\Servers\Oak\Target\Sh4\Debug

Firewall.dll

24,576

26-Apr-2012

20:41

Public\Servers\Oak\Target\Sh4\Retail

Wlanext.exe

90,112

26-Apr-2012

20:41

Public\Servers\Oak\Target\Sh4\Retail

Firewall.dll

28,672

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Checked

Wlanext.exe

139,264

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Checked

Firewall.dll

36,864

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Debug

Wlanext.exe

208,896

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Debug

Firewall.dll

20,480

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Retail

Wlanext.exe

69,632

26-Apr-2012

20:42

Public\Servers\Oak\Target\X86\Retail

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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