1¡¢If your system is WINDOWS 7 or above, the system may have superior authority management on software, you need to install below setting to use the software. A¡¢Step 1: Find the software icon of Solar Station Monitor, a dialog box will be shown after click the right click of the mouse, then pls find ¡°Properties¡± and click it. B¡¢Step 2: Choose ¡°Compatibility¡± under property dialog box and click it to enter the setting for software compatibility. C¡¢Step 3: Find the ¡°Run this program as an administrator¡± under upper computer software property dialog box, and then select it. 2¡¢If the software still not work, then you should enter into software installation catalog and find ¡°OcxDllInstall.exe¡±, click the right click to find ¡°Run as administrator¡± to operate, the system will re-log widget. 3¡¢When installation finished, you need to install USB-RS232 driver, then the software works.