When I try to open Internet Download Manager site or update IDM from my computer, it does not work. Why can this happen?
This problem is caused by some FireWall or other application that tries to control all internet activity and blocks access to IDM site. It cannot be Windows Firewall or some FireWall that works only as enchantment above Windows FireWall. It can be only real standalone FireWall.
If it is local FireWall you need to add some exception for IDM or remove block for IDM site.
If you do not have such programs on your computer, such FireWall can work on your router or block can be on your provider side. In last case you can try to use some VPN to access IDM site.