Correct way to design around Windows UAC limitations?

Question

I found out an application I wrote does not work properly under Windows Vista/7 if UAC is enabled at any level, because it writes files to the install directory of the progr

Answer 1

Per-user application specific data should be written in the AppData folder.

You should use SHGetKnownFolderPath with FOLDERID_LocalAppData.

In managed code, you should use System.Environment.GetFolderPath with System.Environment.SpecialFolder.LocalApplicationData.