3. Right-click on win32 key and select Permissions.
4. Now select your username and provide Full Control to it.
5. After that in right-side pane, change value of (Default) to following:
C:\Windows\System32\msxml6.dll
NOTE: Here C: is system drive where Windows is installed in your system. If you have installed Windows in any other drive, change C: to that drive letter.
After that, re-run Office 2010 setup and now it should work without any problem.
Solution for the problem of : Installation of microsoft office 2010 requires MSXML version 6.10.1129.0