To fix errors related with Usbscan sys issue, please read the recommended solutions below.
1. Open a run window.
In Windows XP, click the Start button on the left side of the Windows XP taskbar. Then, select Run from the lower right-hand side of the Start menu. It appears directly to the right of All Programs.
In Windows Vista/7, click the Windows symbol in the left side of the Windows Vista taskbar. Then, type "run" into the search box that appears at the bottom of the menu. The Run command will appear, listed under Programs. Click Run.
2. Type the regsvr32 command into the Run dialogue box. The syntax of the regsvr32 command is as follows: regsvr32 "path and FileName.dll".
To register a file called xxxx.dll that was located in the c: \windows\system32 directory, you would type in regsvr32 "c: \windows\system32\xxxx.dll".
Either click OK or hit Enter to submit the command to Windows.
3. Look for a pop-up box with the title "RegSvr32" immediately after submitting your command. The message should read "DLLRegisterServer in xxxx.dll succeeded." Click OK to close this window.
After driver un-installation, restart your computer, and plug the driver device on it. The computer will detect the device after start-up.
1.Click Start, type Device Manger and click on the first searching result.
2.Find and double-click the device category which you want to install the driver.
3.Right click the device and choose Update Driver Software.
4.Select Browse my computer for driver software on the new appeared window.
5. Click Let me pick from a list of device drivers on my computer
6. Install the driver that ends with "(Legacy)", click Next.