Open your main Virtualbox window.
Select the guest.
You will see a little box at the end of the selected guest with three dots and three lines drawn in it. click the box and a popout menu will appear. Click 'Details'.
The guest's list of settings will appear in the right side of the window. Click the word 'USB' toward the bottom of the list.
The guest's USB settings will appear in a new window. There will be a list of the guest's USB filters.
Doubleclick each filter. A third window will open. Delete every setting in that window except for Name, VendorID and ProductID, then click OK. Repeat for each filter.
When you're done editing the filters, Click OK in the USB settings window. The window will disappear.
Now your guest filters should all have only Name, VendorID and ProductID. Try the USB devices in the guest.
If something still doesn't work, run the batch file again and zip & post the folder.