ContributionsMost RecentMost LikesSolutionsRe: Not able to download quartus standard edition ver.21.1 Issue solved. I can download now Re: Not detailed info shown in self service licensing center The page looked normal after writing this post. You can close this issue. Sorry for late reply as I am not logging in here frequently Not able to download quartus standard edition ver.21.1 Hi, I am encountering usb blaster driver issue in ver.20.1.1 and I learnt that ver.21.1 may help to resolve this. but, I have the following error message when I am trying to download the quartus II version 21.1 HTTP Error 404.15 - Not Found The request filtering module is configured to deny a request where the query string is too long. Please help Thank You Not detailed info shown in self service licensing center My company recently bought a quartus standard edition for me. At first time, I clicked the link for self service licensing center. I was able to see some basic information such as re-host limitation etc. However, I am not able to see any similar information in self service license although I clear the cache. Not able to generate license file *.dat from your system DescriptionI am using Quartus II 64-bit version 13.0.1 web edition. The .dat file was expired on 16 Feb 2020. I did request a new .dat with mac address:50-7B-9D-28-E0-B3. However, your system send me an email with a message "There is an issue in generating the license for this provided NIC/Host ID: 507B9D28E0B3..." Please help me to identify the problem. Thank You