I've been readin around and it looks like downloading and installing .NET Framework 1.1 has helped most people for the first error

.NET Framework 2.0

As for the second one it may be related to the first or maybe its something totally different

__________________
Intel Core 2 Duo 6600 @ 2.40GHz | BFG NVIDIA nForce 680i SLI | NVIDIA GeForce 8800 GTS BFG OC
CORSAIR XMS2 DOMINATOR 4GB| Gateway FPD2275W 22" Widescreen | X-FI Audio | Vistax32
Black Macbook - Core 2 Duo @ 2.40GHz | 13.3" Widescreen | 4GB DDR2 | Integrated Graphics | Mac OSX (10.5.3)