https://issues.dlang.org/show_bug.cgi?id=12750
--- Comment #2 from Manu <turkey...@gmail.com> --- Okay, behaviour has changed. Now I get: Error VSP1398: The monitor was unable to start the VS performance driver. This driver has been blocked from loading Consider using the /Admin:Driver,Start and /Admin:Security options of VSPerfCmd from an elevated environment. Profiling cannot continue. Error VSP1341: Could not start logging engine. Shutting down. Profiling finished. PRF0010: Launch Aborted - Unable to start vsperfmon.exe Error VSP1712: Invalid File: D:\WinDev\dsignal\dsignal150627(4).vspPRF0025: No data was collected. VS2010 --