about:blank

Again the same request???
If somebody can help: “can’t open add/remowe widows component,, setup was unable to open information file msmsgs.inf, contact your system admin????”
I’m loged as administrator. Thanks a milion to everyone for a help.
The second request please???
How to get rid out of “about:blank” in browser, this thing is driving me crayze. I did so much research and I downloaded so many programs but nothing helps it is pain in a …?????Thanks a milion to everyone for a help.