QUES: This afternoon they started towards NGRIP at 1620

correct the punctuation.

CORRECTED: This afternoon they started towards NGRIP at 16.20.

QUES: For each type of bird there is a specific feedercompartment that appears when the knob is turned

correct the punctuation.

CORRECTED: For each type of bird, there is a specific feeder-compartment that appears when the knob is turned.

QUES: Program Modification Sometimes not only virus ConstructorWin32Agent or malware OO DiskImage but also common softwares possessing the ability to modify the inner functions of FXSCOMEXdll which means other programs cant find this DLL file again

correct the punctuation.

CORRECTED:
Program Modification: Sometimes, not only virus Constructor:Win32/Agent or malware O&O DiskImage but also common softwares possessing the ability to modify the inner functions of FXSCOMEX.dll, which means other programs can't find this DLL file again.