Keep get this error after disconnect from Blackshot ,
Tired of installing BS everyday.
Use "Revo Uninstaller Pro + Crack" and unistall BlackShot, this program will remove all registry from blackshot of your computer.
After this use "Ccleaner" run & clean and clean ur registry.
after this try re-install BlackShot, re-start ur pc and try play.
If error persist you can try install some programs that need for blackshot work properly, that is: Microsoft Visual C++ 2012 Redistributable (x86), NetFrameWork 4.5 or superior.