Third-party antivirus programs, strict firewalls, or VPNs can block the local licensing service from communicating with Autodesk's validation servers. Temporarily whitelist AdskLicensingService.exe in your security software settings to see if it resolves the block.
rather than seeking out an older, specific build. Using the most recent update ensures better security, performance, and compatibility with versions 2020 and later of Autodesk software. Official Download Sources autodesk licensing service 90346 free download
The was an essential security and performance hotfix released in April 2019 to address critical licensing issues (such as "license checkout timeout") for 2020 and later product versions. Third-party antivirus programs