No, the computer doesnt have to be switched on.
Windows 7 comes with a command-line tool to start a scan with Windows Defender. Enter the following code into Command Prompt and hit Enter. cd C:\Program Files\Windows Defender MpCmdRun -Scan [scantype] Change the number to change the type of scan you want to run. 1= Quick Scan 2= Full Scan For example, MpCmdRun -Scan -2 will start a full system scan. Before starting the scan, Windows Defender will always update its database of virus signatures.
Every day, if you have not changed the default
Configure Windows Defender to check for spyware definitions, specify the action to take once items are detected, amd perform a scan of the system
A Windows virus scan is not performed automatically if one does not configure it to scan a Windows computer automatically. An antivirus is protecting you automatically from opening a infected file.
You can start a Windows Defender scan in Windows 7 by entering the following script in Command Prompt. You can find Command Prompt by going to: All Programs<Accessories<Command Prompt Enter this into Command Prompt: cd C:\Program Files\Windows Defender MpCmdRun -Scan [scantype] For the scantype, you put either the numbers 1 or 2. 1=Quick Scan 2=Full Scan For example, entering "MpCmdRun -Scan -2" would start a full system scan.
open up defender and select the arrow on scan. a thing will come out under the arrow and select quick scan
well i seems the virus is not allowing you to access programs which will lead to healing your computerresart you computer and run antivirus in safe mode is shouldn't restart
windows xp
use AVG free or paid for edition, or any other antivirus software or windows own windows defender also try and get spybot for Trojan viruses. also don't put any detailed info ~passwords, bank passwords ect until you get rid of it to be safe and scan everything that come onto you,re computer that way you will know if one trys to infect you,re computer.
One reason that your windows keep minimizing could be a virus on your computer. Run your virus scan to see if you have a virus.
The Bit Defender software includes a free download which will scan your computer for any viruses that may be afflicting it and will also clean your computer from all of those viruses.
There are a number of free spyware can software packages one can download from the internet. Some of the best one's are 'Malwarebytes', 'Microsoft Windows Defender' and 'AVG'.