TOAD crashes with exception code 0xc0000005

[gs1]

Toad crashes with the below error after trying to run a query after a connection is disconnected.
Recent changes in the system

1. changed the TNS_ADMIN path from network directory to local directory
2. added the file oraaccess.xml to the TNS_ADMIN path as per MOS Note: 2766592.1

Log Name: Application
Source: Application Error
Date: 7/25/2024 11:19:13 AM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A

Description:
Faulting application name: Toad.exe, version: 16.3.231.2085, time stamp: 0x64122645
Faulting module name: Toad.exe, version: 16.3.231.2085, time stamp: 0x64122645
Exception code: 0xc0000005
Fault offset: 0x0000000006285a43
Faulting process id: 0x2914
Faulting application start time: 0x01dade9516c6ae90
Faulting application path: C:\Program Files\Quest Software\Toad for Oracle 2023 R1 Edition\Toad for Oracle 16.3\Toad.exe
Faulting module path: C:\Program Files\Quest Software\Toad for Oracle 2023 R1 Edition\Toad for Oracle 16.3\Toad.exe
Report Id: 15fc5fcc-db5e-4b54-b8c4-afed575d565c
Faulting package full name:
Faulting package-relative application ID:
Event Xml:



1000
0
2
100
0
0x80000000000000

103161697


Application
L4MKL3T3



Toad.exe
16.3.231.2085
64122645
Toad.exe
16.3.231.2085
64122645
c0000005
0000000006285a43
2914
01dade9516c6ae90
C:\Program Files\Quest Software\Toad for Oracle 2023 R1 Edition\Toad for Oracle 16.3\Toad.exe
C:\Program Files\Quest Software\Toad for Oracle 2023 R1 Edition\Toad for Oracle 16.3\Toad.exe
15fc5fcc-db5e-4b54-b8c4-afed575d565c

[JohnDorlon]

We have had problems in the past if OraAccess.XML is present and empty or incorrect.

Can't Initialize OCI.Error -1 when trying to log in to toad

Thanks Norm. Since @cantyk brought that to my attention yesterday, I put that file in my tns_admin folder (first the blank one to reproduce the problem, then a valid version of the file just to play with). I've noticed, with a 19c client at least, that if a connection times out due to profile, and a valid version of oraaccess.xml is present, then I get an access violation from one of the Oracle client dll's instead of the ORA-##### for a profile disconnect. Hopefully that can be solved (se…

I looked at the 2766592.1. Are you using oraaccess.xml exactly as listed there? There are some bad line breaks in the file listing on that MOS doc. Does it work if you fix them?

Specifically, these lines should be part of the line before them:

ess
http://xmlns.oracle.com/oci/oraaccess.xsd">

I can't reproduce the problem but fixing those line breaks would be the first thing I'd try. If that doesn't help, then can you just use Toad in no-client mode?