Error 0xc01500002 on trying to run Unity

I installed Unity 3 without problem… but when i try to run the software i have an error on 0xc01500002 and cannot run Unity

I’m running on Windows XP Service Pack 3, 2GB on RAM, and Procesor AMD with Single Core at 2.0 Ghz…

im getting the same error

i got this error on my laptop, but in the workstation it works well

Hello
Install .NET Framework 3.5 - that’s worked for me.

Cheers
MariuszP

thaks a lot, i will try