FIX: C0000005 Fatal Error Creating Index Tag (221726)

SYMPTOMS

Creating and saving a CDX index tag in the Table Designer after creating an IDX index file causes the following error message:

In Visual FoxPro 6.0:

Fatal Error: Exception code=C0000005

In Visual FoxPro 5.x:

An application error has occurred and an application error log is being generated
VFP.exe
Exception:access violation(0xc0000005), Address: <memory address>

You may also see a Dr. Watson error message in Visual FoxPro 6.0, similar to the one reported in Visual FoxPro 5.0.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

This bug was corrected in Visual Studio 6.0 Service Pack 3. For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Steps to Reproduce Behavior

Create a .PRG with the following code:

CREATE TABLE idxtest (col1_c C(10), col2_i I)
INSERT INTO idxtest VALUES ('one',1)
INSERT INTO idxtest VALUES ('two',2)
INDEX ON col2_i TO my_long_index_name  && create a IDX file
MODI STRUCTURE

In Table Designer, select the Index tab.
Type in Test for the name column and col1_c for the Expression column.
Select OK to save the changes.

Note that immediately after saving the changes, Visual FoxPro generates the Fatal Error and terminates.