FIX: You may receive an invalid type exception when floating-point optimization of a Visual C++ application occurs in Visual Studio 2005 (916631)

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Visual Studio 2005 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

To apply this hotfix, you must be running Visual Studio 2005.

Restart requirement

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

Hotfix replacement information

This hotfix does not replace any other software updates.

The English version of this hotfix 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.32-bit versions

File name	File version	File size	Date	Time	Platform
C1.dll	14.0.50727.91	630,784	23-Mar-2006	11:39	x86
C1ast.dll	14.0.50727.91	774,144	23-Mar-2006	12:23	x86
C1xx.dll	14.0.50727.91	2,277,376	23-Mar-2006	11:39	x86
C1xxast.dll	14.0.50727.91	2,494,464	23-Mar-2006	12:23	x86
C1.dll	14.0.50725.0	528,384	23-Mar-2006	21:26	x86
C1xx.dll	14.0.50725.0	2,134,016	23-Mar-2006	21:26	x86
C2.dll	14.0.50725.0	1,454,080	23-Mar-2006	21:26	x86
C1xx.dll	14.0.50725.0	2,134,016	23-Mar-2006	21:26	x86
C2.dll	14.0.50727.91	2,236,416	23-Mar-2006	11:20	x86
C1.dll	14.0.50727.91	585,728	23-Mar-2006	17:29	x86
C1xx.dll	14.0.50725.0	2,134,016	23-Mar-2006	21:26	x86
C2.dll	14.0.50725.0	1,249,280	23-Mar-2006	21:26	x86
C1.dll	14.0.50725.0	524,288	23-Mar-2006	21:26	x86
C1xx.dll	14.0.50727.91	2,183,168	23-Mar-2006	17:29	x86
C2.dll	14.0.50727.0	1,282,048	23-Mar-2006	21:26	x86
C1.dll	14.0.50727.91	581,632	23-Mar-2006	17:28	x86
C2.dll	14.0.50727.91	2,154,496	23-Mar-2006	17:29	x86
C1.dll	14.0.50725.0	528,384	23-Mar-2006	21:26	x86
C1xx.dll	14.0.50727.91	2,179,072	23-Mar-2006	17:28	x86
C2.dll	14.0.50727.91	2,461,696	23-Mar-2006	17:28	x86

64-bit version

File name	File version	File size	Date	Time	Platform
C1.dll	14.0.50727.91	975,872	23-Mar-2006	17:29	x64
C1xx.dll	14.0.50727.91	3,903,488	23-Mar-2006	17:29	x64
C2.dll	14.0.50727.91	3,620,864	23-Mar-2006	17:29	x64

Itanium architecture version

File name	File version	File size	Date	Time	Platform
C1.dll	14.0.50727.91	1,543,168	23-Mar-2006	11:09	IA-64
C1xx.dll	14.0.50727.91	6,508,544	23-Mar-2006	11:09	IA-64
C2.dll	14.0.50727.91	7,030,272	23-Mar-2006	11:08	IA-64