How can I ask the user for elevated permissions at runtime?

Question

Some applications, started with a regular user will ask for elevated permissions when necessary (e.g. a file manager needs to write such folder), and then carry on with the

Answer 1

See this question on elevating privileges only when required in C# and this article on User Account Control

To sum it up: one needs to launch a new process with elevated permissions. The elevation level cannot be changed at runtime. Launching with elevated permissions is done either via WinAPI or embedding a correct manifest in the executable.