Sounds like you have the "Valueline" or "Sold Out Software" versions of RB2. It is mentioned on these software packages "Not upgradeable to RB3D".
They can be upgraded to RB3D using the procedures outlined via the links provided in my sticky post above.
If folks would read these sticky posts a lot of problems could be avoided before they begin!
Computer = PHENOMX3
MOBO: ASUS M4A78 Plus
OS = Microsoft Windows XP SP3 Home Edition (5.1,build 2600)
Processor = AMD 8750 triple core 2.4GHz
RAM = 3328 MB
Nvidia GeForce GS 250, 512MB
Realtek HD audio
Floppy's: D: HL-DT-ST DVDRRW GSA-H21L, E: ASUS CD-S480/A5
HD's: C:ST3250310AS 250Gb
F: Maxtor 6L250S0 250Gb
H: SM_USB20 flash drive 4Gb
Monitor: Proscan 32" LCD TV in VGA mode.