Esri released ArcGIS 10.8.1 Service Pack 1 and 2. Download and install these from My Esri. They fix dozens of crash bugs and security issues.
Find the AfCore_lib.dll (or similar license crack) and LicenseManager included in your download. arcgis 10.8 download with crack and install on windows
Once the installer is downloaded, it is critical to run it with administrative privileges. Right-click on the ArcGIS_Desktop_1082.exe file and select "Run as administrator" . You will then choose a temporary extraction path for the setup files. Esri released ArcGIS 10