AQT runs fine under Windows Vista. There are a few issues with installing and configuring AQT which are described below. If you are running a recent version of AQT, the install process will deal with these issues. However, if you are installing an earlier version of AQT you should be aware of them.
You will not get any warning message during the install. When AQT starts it will fail with an error message such as Component xxx.ocx or one of its dependencies not correctly registered: a file is missing or invalid
To avoid this, it is recommended that you install AQT by right-clicking the setup file and selecting Run as Administrator.
For more on this subject, see Registering AQT components to Windows.
These directories are specified in Options > File Locations.