CRC checksum errorProblemWhen open Adjprog.exe show message "CRC checksum error"Solution1. Delete folder Epson L4852. Then extract Epson L485.rar once again (password; thanks)3. Open Change date and time settings4. Change date to August 01, 2017 - OK - OK5. 1. Open Adjprog.exe and show Registration Key windows. 2. Open Keygen.exe 3. Copy LicenseID 4. Enter name and LicenseID