1. How to register x360soft ActiveX on VISTA?

For Vista issue, please try:
Open a command prompt by right clicking CMD and using 'run as administrator', then try registering the activex file from there.

Type the command:
regsvr32 videocapture.ocx

When you click "OK", you'll see the following screen. Just click "Close", The ActiveX register successed!

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2. How to solve the error "Error accessing the system registry" when open the form(include x360soft ActiveX)?

When you see this error messgae, don't worry! Please follow the step to solve it!

Step 1: Click "OK"

Step 2: Click "No"

Step 3: Click "OK"

Step 3: Close the VB project, don't save the project! Click "No"

Step 4: Open the VB project again, the error message will never occur, and the vb project work fine!