MSXML 6.0 Parser failed to install

MSXML6 (msxlm6.msi) install fails giving following error
“the system administrator has set policies to prevent this installation …”

Resolution :

Open regedit.exe from
1.“Start->Run”

2. Find the path via “HKEY_CLASSES_ROOT -> Installer -> Products”

3. Delete all the subkeys if they don’t contain anything (there is no “+” before their folder icons ) under “Products”.

4. Re-run msxml6.msi it works successfully.


Source: Internet