I actrually ran into this once. A reboot fixed it for me. The folder was apparently gone the entire time but for some reason Explorer didn't seem to be clued in. After reboot, it was simply gone in explorer.
System Manufacturer/Model Number Scratch built OS Windows 7 x64 Ultimate CPU i7 960 Motherboard Asus P6X58D Memory 12 Gig Corsair Dominator Graphics Card Nvidia 480 Sound Card Maudio Delta 44 + breakout box Monitor(s) Displays Dell UltraSharp U2410 24in and Samsung 21 dual monitors Screen Resolution 1920x1200 and 1280x1024
Keyboard Logitech G15 + N52 game pad Mouse Logitech MX518 PSU Corasair TX850 Case Cooler Master HAF Cooling Corsair H50 Hard Drives Primary: Intel X-25M G2 160G SSD
Secondary: Segate baracuda 1.0 TB
HDs in AHCI mode. Internet Speed 15kbs down 4.5kbps up Other Info WEI 7.6
CPU & RAM 7.6
Hard disk 7.7
There is no actual data in a virtual folder, merely pointers to where data is located ( i.e. xml files with location data). Some are simply not deletable, and others may be, but it is best not to do so unless you know exactly what you are doing.