Suddenly when u access to your computer the message Pop ups , Administrator have Blocked Task-manager and u start to think, i am Admin of my PC why would i Block the task-manger. The message u got is an idea of Virus been dispatched on Your PC and you have been Infected. When Powerful Virus affects it not only affect your Task-manager, it affects your Registry, RUN dialog, command prompt, Folder option and System configuration utility.
You might ask why virus alter the listed 6 things first why not. The reason is simple ,the user with a little knowledge with system can easily alter with the virus and can remove them from the PC therefore the the person who deployed Virus does not want to happen.
For example , If virus deployed then its kill task-manager as it will disallowed him to make any unwanted Task by command Task kill. To Run the command Task kill the user have to go through Command Prompt which is access via RUN command, and to alter with Registry the user have to again access via RUN command. Disable folder option is to restrict the user from viewing "Hidden and System files", so the user doesn't remove Virus Manually.
Today we gone Learn some Alternative of the tools that have been Talked. We will talk about measures to be taken and how to Restore the setting that have been disable .
1.Task manager [taskmgr.exe]Replacement
Taskmanger is Important part of Windows Operating system. With the Help of Taskmanger the user can able to know what is cpu usages, various service that is running , Various application is running. If user find any suspicious he can terminate the service .
If we cannot access to Taskmanager then the Best alternative would be Process Explorer which can be downloaded from Microsoft Website here. . Best thing of Process Explorer is Portable and can be carried in USB drive.
2.Registry editor [regedit.exe] Replacement
Note: Please make Backup before playing with Registry.
Registry is very usefull to make changes or to make some Creativity on Any Windows Operating system. It like playing with Kernal of Linux. When ever you get message that u have been Disable to access Registry, best alternative is Regalyzer,developed by Spybot team. Regalyzer requires installation but you can copy the whole RegAlyzer folder to your Usb drive and Run it as Portable Application can be Download from Here.
3.Command Prompt [cmd.exe] Replacement
Command prompt is very powerful command line tool which support a lot of command when you find it impossible to do it in any windows OS. IF u get the message " Disable via Admin", then best alternative is "GS". GS is small free and protable tools created way back in 2005. GS is available here
4.Run dialog Box Replacement
SOme virus remove the Run command from Startup menu. How ever it does not effect. Run dialog Replacement is just a 47kb file. However if u have Process Explorer u can use CTRL + L to get Run Dialog.
5.System Configuration Utility [msconfig.exe] Replacement
The first virus attack the location is System Configuration . Virus Maker Knows that Msconfig contains what are Default, what Application Runs at start up is Located in Msconfig. The Computer affected By virus usually get Message "Msconfig Missing".
On the best alternative for msconfig is from the maker of "Process Explorer" ie Autoruns. Autoruns has the most comprehensive knowledge of auto-starting locations of any startup monitor, shows you what programs are configured to run during system bootup or login. Autoruns can be Download from here.
6. Enable Folder Hidden Option
There are various tools which says that they inherit to enable Hidden Folder option , but could not work as said . If the virus is active , it change the setting every time , how much u try to change, it goes back to Virus's Default. Then i found the Free tool called Freecommander. Freecommander Overwrites Folder option and works Perfectly. Freecommander is Portable and is available from here.