My IDM does not download YouTube videos, it always display a messege that i do not have permission to download a file.
Operating system:Windows 8 Single Language (64 bit)
System root: C:windows
Available physical memory: 3941 MB
CPU: Intel® Celeron® CPU B830 @ 1.80GHz
Drive Info:
C: 457.82 GB
D: 25.00 GB
E: 426.36 GB
Internet Explorer: 10.0