.NET Questions and Solutions

Symptoms
Using Spy++ with message logging on an owner-drawn combo box results in oneof the following errors:

First-chance exception in OWNCOMBO.exe (USER32.DLL): 0xC0000005:Access Violation.
-or-

First-chance exception in OWNCOMBO.exe (KERNEL32.DLL): 0xC0000005:Access Violation.This exception is printed out in the Visual C++ debug output window. Thishappens both on Windows 95 and Windows NT version 3.51.
Resolution
This exception is caused by the Spy++ installed Windows hook function. Itdoesn’t cause the program to quit, so no action should be necessary.

Symptoms
After you turn off your Hewlett-Packard 5200C ScanJet scanner, the following error message may appear when you refresh the view in Device Manager:

Break instruction exception – code 80000003 (first chance)
Resolution
To resolve this issue, contact the manufacturer of the scanner about the availability of an updated driver that addresses this issue.