วิธีการลงทะเบียนไฟล์ OCX บน Windows 7

How to Register OCX file On Windows7
Right Click On Command Prompt
Click at Run as Administrator
click Yes If have Question
then Register your ocx file.
sample
regsvr32 msmask32.ocx

note:
make your sure
you must have ocx file in %windir%\system32