I believe many people have used the command Regsvr32 Windows system provides. And you should never look down on the little command, sometimes it could help you solve many practical problems, next I sum up few tips about my using experience:
1. Repair IE browser
 Many guys may have such experience who often surf on Internet: IE could not open a new window, even there’s no any response by clicking a superlink. At this moment, generally reinstalling IE may fix the problem. Actually, you don’t have to so bothered, Regsvr32 command could handle this easily.
 Here’s the concrete solution: take turns to choose “Start”—“Run”, on the Run dialog, keyed “regsvr32 actxprxy.dll” and then click “OK” button. Then a message dialog would prompt, saying “actxprxy.dll DllRegisterServer succeeds”, and then click “OK” button, and then keyed command “regsvr32 shdocvw.dll” to the “Run” dialog, click “OK” button, restart the computer, and then IE is fixed.
2. Solve the problem that Windows could not update online
Windows has many vulnerabilities, each period of time, it needs using “Windows Update” online, however, “Windows Update” often could not be used, at this moment, we can use Regsvr32 command to solve the problem.
 Here’s the concrete solution: take turns to choose “Start”—“Run”, keyed command “regs