So that you may uninstall. As gravity may only bring down what first goes up, so also can you only uninstall once you have installed.
Install a vpn by installing a vpn client
Yes
what do u mean custom install? Give more details.. You want to upgrade to win 7 or just format the pc and then put them on.
Adobe flash player is not installing in explorer 8. may be it is not compatible software or it is not developed for explorer 8. some times may be may not be abode flash player intall in explorer 7....