These instructions are for Windows 11 but are similar to previous versions of Windows.
1.) Shut down SmartSDR and the FLEX-6000.
2.) In the Windows Control panel, go to "Programs and Features" or from Windows Search, enter "Add and Remove Programs" window, and look for the "FlexRadio Systems FlexVSP" driver. Click on the three dots to the right and select the option to uninstall it.
3.) Open the Windows File Explorer, go to C:\Program Files\FlexRadio Systems\FlexVSP folder
If there is a program called VSPCLEANER located in the folder, run it with administrative rights by right-clicking on the file name to show the file context menu and then select the option to Run as Administrator.
A window will appear momentarily and then close.
4.) Reboot your PC. This step is very important.
5.) Manually Install the FlexVSP driver
For 64-bit operating systems:
After the computer has completely rebooted, open the Windows File Explorer, go to C:\Program Files\FlexRadio Systems\FlexVSP folder
Double click "FlexVSPInstaller_64.msi" file. Follow the defaults and agree to all the questions.
For 32-bit operating systems:
After the computer has completely rebooted, open the Windows File Explorer, go to C:\Program Files\FlexRadio Systems\FlexVSP
Double click "FlexVSPInstaller_32.msi" file. Follow the defaults and agree to all the questions.
6.) After the installer has completed, Restart the computer again.