how to display the back regedit

It is very frustrating when we are exposed to computer viruses. Moreover, the virus makes the computer to become slow or sudden error. As the story of one of my friends where regedit, msconfig, task manager on his computer suddenly lost because of virus. How do I restore it?

Below how to restore it.
1. Open notepad from start menu.
2. Copy the code below.

[Version]
Signature=”$Chicago$”
Provider=Vaksincom

[DefaultInstall]
AddReg=UnhookRegKey
DelReg=del

[UnhookRegKey]
HKLM, Software\CLASSES\batfile\shell\open\command,,,”"”%1″” %*”
HKLM, Software\CLASSES\comfile\shell\open\command,,,”"”%1″” %*”
HKLM, Software\CLASSES\exefile\shell\open\command,,,”"”%1″” %*”
HKLM, Software\CLASSES\piffile\shell\open\command,,,”"”%1″” %*”
HKLM, Software\CLASSES\regfile\shell\open\command,,,”regedit.exe “%1″”
HKLM, Software\CLASSES\scrfile\shell\open\command,,,”"”%1″” %*”
HKLM, SOFTWARE\Classes\regfile\shell\edit\command,,,%SystemRoot%\system32\NOTEPAD.EXE %1
HKLM, SOFTWARE\Classes\regfile\shell\open\command,,,regedit.exe “%1″

[del]
HKCU, Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegistryTools

3. Save this file to any extension provided with the Inf. This file can be stored anywhere. And
try to put on the desktop so that it is not difficult to find.
4. Run this file.
5. Restart the computer after running the file.

Keep in mind that this is only to restore regedit, msconfig, and task manager only, and not remove the virus. To remove the virus with anti-virus only. Hopefully useful.