1. Moved the IsBackground property assignment into the object initializer for the Thread object.
2. Replaced e.Args[e.Args.Length - 1] with e.Args[^1]
3. Added a conditional check to see if GetWindowThreadProcessId returns 0, which indicates failure. If it fails, throw a Win32Exception with the last Win32 error.
4. Removed unused assignment to the variable process
5. Changed the return type of the ConfigureServices method from IServiceProvider to ServiceProvider. It is more specific and faster.
6. Changed notifyIcon to _notifyIcon according to private var naming scheme.
7. Added the CharSet = CharSet.Unicode attribute to the DllImport declarations to specify that the string arguments should be marshaled as Unicode.
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