Yes, by using the Bongo Version Selector.
In the Bongo 2.0 folder in:
C:\Program Files\Bongo 2.0 (32-bit Windows)
C:\Program Files(x86)\Bongo 2.0 (64-bit Windows)
you will find an exe-file called BongoVersionSwitch.exe. Right click on the BongoVersionSwitch.exe file and choose Run as administrator. Choose which Bongo version you want to use, or if you want to disable Bongo.