It's not hard to fix locator dll issue completely, just follow these steps.
For example, we want to register msi.dll. Follow below steps to complete the register process.
For 32-bit version win7 system:
1.Win + R, type command in the search box, right click on Command Prompt -> Run as administrator.
2.Type cd\, press enter.
3.Type regsvr32 msi.dll, press enter. Click OK on the new appeared window.
1.First you need to delete this software on your computer.
2.Then open your browser and search this software to reinstall again.