Error messages when you try to select a system database in the Find Database (98.000.01) screen in Microsoft Dynamics SL 7.0: "SIGNON.EXE has encountered a problem" and "Attempted to read or write protected memory"


When you type or select a system database name in the
Database Name box in the Find Database (98.000.01) screen in Microsoft Dynamics SL 7.0, you receive the following error messages.

Error Message 1

SIGNON.EXE has encountered a problem and needs to close. Sorry for the inconvenience

Error Message 2

Attempted to read or write protected memory. This may be an indication that memory is corrupt.


Hotfix information for Microsoft Dynamics SL

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Dynamics SL service pack or version that contains this hotfix as specified in the "Status" section in this article.

To resolve this problem, click the "View and request hotfix downloads" link at the top of this article to obtain the hotfix.

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table.

Microsoft Dynamics SL 7.0

Changed FilesDate
MSDynamicsSL.exe21-Nov 2007
Microsoft.Dynamics.SL.ObjectModel.dll21-Nov 2007
Microsoft.Dynamics.SL.ObjectModel.tlb21-Nov 2007
Swimapi.dll21-Nov 2007
9829000.exe21-Nov 2007
9835000.exe21-Nov 2007
9525000.exe21-Nov 2007
Signon.exe21-Nov 2007
9550000.exe21-Nov 2007
Pvrec.exe21-Nov 2007
9810000.exe21-Nov 2007
9150000.exe21-Nov 2007
9151000.exe21-Nov 2007
SAFAccessRights.dll21-Nov 2007
SAFRegistration.dll21-Nov 2007

Installation information

Install this hotfix by following the installation instructions that are included in the hotfix download.


For information about the prerequisites for this hotfix, refer to the installation instructions that are included in the hotfix download.

Restart requirement

If you are prompted, restart the computer after you install the hotfix.

Removal information

You cannot remove this hotfix.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

This problem was reported as issue numbers 14251 and 14457.

This problem was first corrected in Microsoft Dynamics SL 7.0 Service Pack 1 (SP1).

More Information

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