If, because of a virus, your computer is unstable or does not allow you to connect to the Internet, you may not be able to download and install an antivirus program to eliminate the malicious program. It is usually difficult to remove viruses without a specific program.
How to remove a virus without an antivirus program
However, you can see some general advice available to manually eliminate certain types of viruses and get your computer back to work correctly, and you can install an antivirus.
Step 1
Press the “Ctrl,” “Alt” and “Delete” keys simultaneously and click on “Start the task manager,” a window will open. Now, click on the “Processes” tab at the top of the window to view All the processes that are running on the computer If you notice that there is an unknown process, trace it to a search engine if you can connect to the Internet Repeat this procedure until you identify the malicious program. Then click on “Finish process” to end it.
Step 2
Open the “Start” menu and type “msconfig” in the “Search” option. Press “Enter” to start the “System Configuration” function. Click on the “Start” tab at the top of the window; This tab shows the applications that run automatically when the computer is turned on. Try to locate the process that you stopped in step 1. If you can locate the process, remove the tilde in the box next to the name of the process and take note of the name of the route and the file shown in the column ” Command.” Click “OK” to close the function. Do not restart the computer. If you can not find the process, narrow the function and continue to the next step.
Step 3
Open the “Start” menu again and type “regedit” in the search engine. Press “Enter” to bring up the Registry Editor. Use the folders in the left column of the screen to navigate through the four registration areas below:
HKEY_LOCAL_MACHINE / SOFTWARE / Microsoft / Windows / CurrentVersion / Run HKEY_LOCAL_MACHINE / SOFTWARE / Microsoft / Windows / CurrentVersion / RunOnce
HKEY_CURRENT_USER / SOFTWARE / Microsoft / Windows / CurrentVersion / Run HKEY_CURRENT_USER / SOFTWARE / Microsoft / Windows / CurrentVersion / RunOnce
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These registration areas show the programs that run automatically when the computer is turned on. If you can not find the malicious process in the “System Configuration” function, you should be able to find it in one of these areas. Take note of the name of the route and the file in the “Information” column. Then right-click on the record and select “Delete” to delete it.
Step 4
Click on the “Start” menu and then on “My Computer.” Search the hard drive for the path you noted in step 2 or step 3, through the Windows Explorer window. Right-click on the malicious file and then on “Delete” to remove it from the computer.
Step 5
Restart the computer.