This can occur if you are running Windows in The ms website knowledge article 324516 gives 2 methods as a way of fixing this problem, but you might Well, the solution is very easy:
1. right click your root windows installation drive i.e drive where you installed windows
2. click properties at the bottom
3. select security tab
4. click Add and scroll down to SYSTEM account click add and click OK.
5. allow Full control permission and click Apply and then Ok.
This should solve your problem with windows installer.