I created an empty Lazarus project and tried to compile it to test the settings of the compiler on my Windows 7 PC. Even though this was a fresh installation without any specific settings, the debugger gave me a 'External Error: SigSegV', when I closed the binary in the Lazarus environment. After that I was thrown into the assembly screen.
This error only occured, when using Lazarus. Launching the application under Windows did not produce any errors or lingering applications.
After some research on the internet, I found out, that the processes 'HydraDM.exe' and 'HydraDM64.exe' were responsible for this error. After killing both processes, the program ran fine in Lazarus.