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FIX: "NMAKE : fatal error U1077" error message in the build log when you try to clone the Calibrui module for a Windows Embedded Compact 7-based image on a computer that is running Windows XP SP3

Consider the following scenario:
  • You have Windows Embedded Compact 7 installed on a computer that is running Windows XP Service Pack 3 (SP3).
  • You clone the Calibrui module for a Windows Embedded Compact 7-based image in Platform Builder.
  • You build the image.

In this scenario, you receive the following error message in the build log:
NMAKE : fatal error U1077:
'C:\WINCE700\public\common\oak\Bin\i386\SysgenMake.EXE' : return code
Note You may also receive a different error message when you try to build a Windows Embedded Compact 7 image by using platform builder. For more information about that error message, see the "More Information" section. Be aware that this update does not resolve that error message.

Software update information

A supported software update is now available from Microsoft as Windows Embedded Compact 7 Monthly Update May 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: 


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 nameFile sizeDateTimePath
When you try to build a Windows Embedded Compact 7 image by using platform builder, there is a very remote possibility that you may receive the following error message:
The environment block used to start a process cannot be longer than 65535 bytes. Your environment block is 72706 bytes long. Remove some environment variables and try again.

Note The actual environment block size (72706 in this case) is variable and depends on your specific computer and settings.

To work around this problem, take one or more of the following actions:
  • Reduce unwanted Sysgen variables from the project.
  • Change folder names, solution names, and so on to reduce the directory path lengths that are used. 
  • Reduce unwanted locales from the project.

These workarounds will in effect reduce the environment variable size and help you keep the environment variable block size under 65535 bytes.
For more information about how to clone the Calibrui module, go to the following Microsoft Developer Network (MSDN) website: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

Article ID: 2709958 - Last Review: 06/12/2012 21:50:00 - Revision: 1.0

  • Windows Embedded Compact 7
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