Sure, you can repair hard drive errors - you can choose from several possible methods; yet this is decidedly the best one out there at the moment
. Registry keys that are no longer needed can in some cases hang up the windows program; the simplest route to take to track down these keys is by using one of these utilities. You can also consider, as another way to clean up your system, installing updated system files, with the result of purging glitches which are generated by problematic or damaged files. Is it likely that upcoming windows software will still use the registry or will it be redesigned somehow? Can the designers come up with something less vulnerable? Computers change rapidly these days, so virtually anything is possible. One last thing - i'm sure you know people who are struggling with error messages - please feel free to share this information; i'm sure they will thank you for that.