Restore Task Manager, Regedit and Folder Disabled by Virus

All of us have been infected by the virus before. Even if you have anti-virus installed, you can be infected by a new virus or custom, which does not recognize antivirus. Sometimes after removing the virus completely from our system, you will be confronted with new problems, such as you can no longer bring up Windows Task Manager from CTRL + ALT + DEL. You receive an error message saying "Task Manager disabled by your administrator".

Task Manager disabled by administrator

Restore Task Manager, Regedit and Folder Disabled by Virus
Do you think that it's easy to fix this problem by going to the registry editor, but you can not! You receive an error message "Registry editing has been disabled by your administrator".
Registry editing has been disabled by your administrator

Restore Task Manager, Regedit and Folder Disabled by Virus
Folders and even Show Hidden Files and Folders is disabled! How disappointing! Do not worry, here's how to restore the Task Manager, Windows, Registry Editor, Folder Options, and Show hidden files and folders.
This problem is usually caused by a virus called "Brontok". Brontok virus will make some changes to the system constraints in order to hide from easy detection, as well as easy cleaning.
Method 1
Click Start, Run and type the following command exactly as shown below: (better - Copy and Paste)
Top
REG ADD HKCU \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ System / x DisableTaskMgr / t REG_DWORD / d 0 / f
End form
Method 2
• Click Start, Run and type Regedit.exe
• Go to the next section:
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ System
• In the right pane, delete the "DisableTaskMgr
• Close Regedit.exe
Method 3:
Use Group Policy Editor - for Windows XP Professional
• Click Start, Run, gpedit.msc type and then click OK.
• Navigate to the industry:
User Configuration / Administrative Templates / System / Ctrl + Alt + Delete "Settings / Remove Task Manager
• Double-click Remove Task Manager option.
• Set the policy is not configured.
Message: "At the command prompt has been disabled by your administrator"
When I try to start Cmd.exe or batch file, you may receive the following message: "At the command prompt has been disabled by your administrator". This is due to restrictions imposed on the roster. DisableCMD value is equal to 1 or by using Group Policy. To enable the Task Manager, try one of the following ways:
Method 1: Using the console registry tool
Click Start, Run and type the following command exactly as shown below: (better - Copy and Paste)
REG ADD HKCU \ Software \ Policies \ Microsoft \ Windows \ System / x DisableCMD / t REG_DWORD / d 1 / f
Method 2: Edit the registry directly
Open the Registry Editor (Regedit.exe) and navigate to:
[HKEY_CURRENT_USER \ Software \ Policies \ Microsoft \ Windows \ System]
In the right pane, double-click DisableCMD and install it in the data 0
Method 3: Use Group Policy Editor in Windows XP Professional.
Click Start, Run, type gpedit.msc and click OK.
Navigate to User Configuration \ Administrative Templates \ System
Double-click Deny access to the command line
You can disable or configure the policy to not set. Turn off or adjust this policy is not configured to decide the issue.