1.If your computer hasn't installed .NetFramework4.0, please install it first.
2.If your installation of .NetFramework4.0 failed with an error about WIC, please install WIC(windows image component)wic_x86_en.exe first in the "more" directory;
3.If you have installed ZKAccess4.0 or ZKAccess5.0, please stop related services or uninstall them.
