Sometimes softwares while installing may throw windows installer errors. Mostly these errors can be resolved by following the following steps.
Start > run
and then type the below,
msiexec /regserver
and click ok.
then open the run dialog box again and type:
msiexec /unreg
and click the ok button.
Start > run
and then type the below,
msiexec /regserver
and click ok.
then open the run dialog box again and type:
msiexec /unreg
and click the ok button.