The file ha312w32.dll is the Heap Debugging Library for Win32 that belongs to HeapAgent from MicroQuill Software Publishing, Inc. This is part of a program that is used to debug code as you are writing it on various development platforms including Visual C++, Visual Studio, and Borland C++.
If you are writing your own programs and an error with this file pops up, you may have an issue with your debugger. You should make sure you have a clean registry to start troubleshooting this issue.
The registry database can easily get out-of-date, and mistakes can crop up as you use your system. You should regularly clean the registry as part of your standard system maintenance.
ZookaWare PC Cleaner will help with that task. ZookaWare PC Cleaner is guaranteed to find and fix every error in your registry, so you can run it and move along. When you get a dll file error or just when you need to clean your system, run ZookaWare PC Cleaner. Does your system need to be cleaned? Run a free ZookaWare PC Cleaner scan now to find out.