Such an error is that the system lacks the corresponding library file, we can install it.
- Download Msflxgrd.ocx, here is a download URL: https://www.ocxme.com/files/msflxgrd_ocx
- Copy/cut the files to the C:\Windows\SysWOW64 directory for 64-bit systems, and to C:\Windows\SYSTEM32 for 32-bit systems.
- Copy the following command regsvr32 c:\Windows\SysWOW64\Msflxgrd.ocx for 64-bit systems, and regsvr32 msflxgrd.ocx for 32-bit systems.
- Open a cmd window as administrator.
- Paste the copied command above into the cmd window and press Enter.