When I try to download any file with IDM it just tries to connect to the Internet and cannot start downloading or shows some message that connection is refused. What can be a source of the problem IDM shows Cannot download this file error message on download start. IDM shows Permission denied error message on download start. IDM shows Connection refused error message on download start. Windows shows an error message below on IDM launch, or IDM launches, but IDM shows Error connecting message on download start. On download start, IDM process is killed, and IDM window is closed. Reason 1 In IDM settings is set proxysocks server that does not work anymore or has some other problems. Solution Open Options Proxy Socks IDM dialog arrow 1 on the image and disable Use proxy and Use socks options arrow 2 on the image. Reason 2 IDM is not allowed to download or run in Fire. Wall settings. Many Fire. Walls check the size of application executable file that try to access the Internet. Thats because a virus can replace the file with its own, and get access to the Internet. Probably when you updated IDM, its executable file size changed, and your Fire. Wall blocked the Internet access for IDM. If you have a Fire. Wall installed, please check that IDMan. In some cases our customers reported that they also had to set same access rights for Uninstall. If youve even glanced at the news lately, youve probably seen or heard the term collusion when referring to President Trumps senior staff being accused. IDM root folder. Solution Change incorrect Fire. Wall settings. Please choose instruction for your Internet Security Fire. Wall software below. If the instructions above do not help, please try to completely uninstall your Fire. Wall TEMPORARILY. Disabling the Fire. Wall is not enough. Fire. Wall keeps blocking access even if you switch it off. After uninstalling and rebooting, check if your problem persists. If it is resolved. Fire. Wall software. You should try to contact its developers, and ask them for a solution, or try another Fire. Wall. Please also check that your computer does not have Air plane mode enabled in its Windows settings. If you still cannot solve the problem, or do not know what application can block IDM, try to rename IDM executable file IDMan. IDM root folder usually C Program FilesInternet Download Manager into IDMan. Try to download with IDM again, and check whether your problem still persists. How to Uninstall McAfee Antivirus Plus 2012. There is a general and IMPORTANT guideline for PC security its highly NOT recommended that you have TWO or more. Should I remove McAfee Solidifier by McAfee Learn how to remove McAfee Solidifier from your computer.