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Computer has virus in it,no anti virus was instaled in it.how can i clean up system,it will not let me log on?

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Reinstall windows in your pc and format your hard disk.
contact id:
ahmadfaraztarar@yahoo.com



thanks

Posted on Aug 08, 2010

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Posted on Jan 02, 2017

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How to speed up computers.


**1The main reason which slowdowns system is VIRUS ATTACK.
Powerful tool to avoid this is installing Anti Virus.
Anyhow installing a anti virus is not sufficient.You need update the anti virus continuously(once for a week)
Updating means:-Hackers will generate the viruses and they will upload those viruses to internet data base every day.Which enters our computer when connected internet.The companies which provides the anti virus software will scans those viruses and they update those virus name our anti virus data base so that if any programs by those virus names which are in anti virus data base.Anti virus will block those programs.
So It's necessary to update the anti virus program continuously.

If you have genuine Windows operating system you can use "Microsoft Security Essentials" for FREE.



**2The reason which slowdowns PC is creation of unwanted sectors in hard disc.


For this Defragmentation is the best method to clear unwanted sectorsTo defragment the hard disc Select the partition>Right click>Properties>Tools>Defragment disk>Defragment>ok
Watch this...

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**3)Another aspect which slow downs the system is creation of error sectors
you can use Check Now option to clear error sectorTo activate Check Now*Select the partition>Right click>Properties>Tools>check nowIt check for error during next reboot


**You can use "CHKDSK" command in DOS(instant check)


**3)You can use Disk Cleanup to delete temporary files,offline pages,log files, queued and error reports(These files are not important and files consumes much memory which can't cleared by us so we need to use Disk Cleanup.
To use this thisSelect the partition>Right click>Properties>select Disk

Cleanup (Disk Cleanup can be used for C: drive only effectively(Because temporary files,offline pages,log files, queued and error reports are saved in C: only)


**Options and Menu's are with respect to Windows7 & Windows related operating systems.

Thank you have a nice day

on Jan 30, 2011 | Computers & Internet

Tip

• As soon as you suspect that your computer has a virus, remove your computer...


<b><u>An insight in VIRUS INFECTION and VIRUS SPREADING</u></b><br /> <br /> In today's computing spreading of virus is fast and very common.<br /> Even with an up to dated antivirus software the spreading of the virus infection is fast.<br /> This is because, we are not aware of how the virus spreads in our system.<br /> Once we know how the virus infects and spreads in our system then we will definitely reduce the risk, time and money spent.<br /> <br /> <b><u>Here is a short insight about viruses:</u></b><br /> <br /> 1) Virus is a small program code enabling it to to mingle or merge with other program codes.<br /> <br /> 2) The Virus Program Code is written such that it deletes data, corrupts data, steals data send it to the maker of the code, etc.<br /> <br /> 3) The virus cannot run on its own. It has to be executed just like other exe program files. That is why the autorun.inf file is required.<br /> <br /> <b><u>Now for an insight how we get infected:</u></b><br /> <br /> 1) Thorugh the internet: Usually when we browse any web site files are downloaded from the web server to our temporary internet folder(in windows) Then our Browser software reads the files and executes them in the browser window for us to view the web site.( If you are a website Designer you would understand this for others get an insight how internet browsers work), So when we are in the internet Virus files attach themself to the downloading files and enter our system in the temporary folder, From here they are executed by our browser software or when any program accesses the temporary folder.<br /> <br /> 2) Another one is we download a lot of data from the internet, we should be careful on what we are downloading because if the data downloaded is infected with virus then we are downloading the virus to our system along with the data, Don't download the data unless you are sure you could trust the maker of the data, program,etc.<br /> <br /> 3) From other medias like Flash Drive, CD's, DVD,s,etc.:<br /> We copy a lot of data to our computer from our friends and relatives, so if the data is already infected with virus we copy the virus to our system also, when we run os use the data the virus is executed along with it.<br /> <br /> <b><u>Now for an insight how Virus Spreads:</u></b><br /> <b></b> <br /> Just like any other program code the virus code has to be executed.<br /> That is why the virus merges with other exe's which are executable and not with the data file.<br /> <br /> For eg: a file with .avi, .dat, .3gp, etc. all these files are data files they dont execute, but they are used by exe files like wmplayer.exe, winamp.exe, vlplayer.exe, etc. The .avi .dat .3gp files are data files, the wmplayer.exe, winamp.exe vlplayer.exe are program files. Thus mostly exe program file get infected with virus.<br /> <br /> Usually when our system gets infected and any antivirus program cleans our system you can notice that the windows media player or winamp player or vlc media player does'nt work because it is removed or deleted by the antivirus for virus infection but the songs or video you saved is unharmed in the harddisk.<br /> <br /> That is why the virus code hangs or merges or infects mostly exe program files, So that it is executed along with the program file.<br /> <br /> So when you run an infected windows media player to play a song the virus code is also run along with the windows media player. Thus the virus is run again and again.<br /> <br /> There are hundreds of program files in the os for doing various tasks.<br /> we are going to look into just one program which the virus uses to spread itself in our system.<br /> <br /> The Program is non other than explorer.exe in windows. This program is needed to view or browse the data files stored in the hard disk.<br /> When we double click the My Computer Icon on the desktop the explorer.exe is executed which show you a window on your screen with the hard disk drives and cd dvd drives in the windows Now you can imagine how frequently you use the explorer.exe. You use it to view any data on the computer, even our desktop uses explorer.exe. This program is executed right when windows logs us on.<br /> <br /> When this program file is infected, it keeps on executing the virus each time we use the program. by this method the virus spreads fast to every parts of the hard disk.<br /> <br /> Likely there is a method to avoid executing the virus along with the explorer.exe each time we use it.<br /> <br /> When we double click any icon or object on our windows screen we execute the default command in the right click menu. Usually it is the Run Command. for eg: when you double click word the word.exe runs, similarly when we double click the my computer icon the default right menu option is <b>Open</b> which run the explorer.exe program.<br /> <br /> Instead of using this method to view files and data in our system we could use an alternate method which is using the explorer menu option when we right click my computer or right click the windows start button or in fact the explorer option is there whenever you right click any object on the screen.<br /> <br /> By using this explorer option in the right click you get a window with two panes one to the left and one to the right. In the left pane you have the directory structure showing all the directories and folders in our hard disk and in the right pane the content of the directory or folder selected in the left pane.<br /> <br /> Thus in this process we dont execute any code or program command when viewing the data in our hard disk. because we do not execute the explorer.exe more than once.<br /> <br /> So, Imagine how we reduce the spreading of virus by using this method.<br /> <br /> Say you have a file saved in your hard disk in this location<br /> <br /> <b>C:\data\monday\20-11-2010\office\media\todaysjob.doc</b><br /> <br /> If you want to open the file with word we will double click my computer, then double click C Drive, then Double Click data folder,then double click monday folder, then double click 20-11-2010 folder, then double click till you come to the media folder then you double click the todaysjob.doc which will execute the word.exe program which reads the data in the todaysjob.doc file and displays the content as required. In this process see how many time you will execute the virus, You will run the virus Seven Times.<br /> <br /> In our Alternate method You will run the Explorer.exe only once, Then on you just navigate to the media folder then double click the todaysjob.doc file in the right panel. So you execute the virus only once. <br /> <br /> Hence you reduce the spreading of VIRUS to a great extend.<br /> <br /> Good Luck, If there are any mistake please bare with me, I am not a good writer. If you have any Question Keep Me Posted.

on Nov 15, 2010 | Microsoft Windows XP Professional

2 Answers

Whenever I connect any removable drive automatically 4 shortcuts got created of control panel.


You have a virus on your PC. Unfortunately, once you have this virus, it usually does not help updating your anti virus and running a scan since the virus is running in the memory of the PC and every infected file the anti virus removes - the virus just puts back again. Try one of two things to remove the virus:

1] First update your anti virus (if you dont have an anti virus, download the free AVG Antivirus and install that and then update it. Click here to go to AVG's website. Once installed - Boot your pc into SAFE MODE. This is VERY important otherwise the virus will load into memory and it wont help running the anti virus to clean the system as the memory resident virus will just replace any infected file that is removed by the scan. To boot your PC into safe mode: Read this article: Click here.

Once you are in safe mode - Open the Anti-virus console and do a complete system scan.

2] Remove the infected hard drive from your PC and install it as a secondary drive in a clean, VIRUS PROTECTED PC!!! ... i.e .. any pc that has the latest anti-virus system installed and is up to date!. Once you have installed the infected drive in the protected PC as a secondary drive, run a scan on the infected drive and remove the virus.

Once you have removed the virus, also scan ANY USB devices on that PC, including any Cameras, cellphones, photo frames, etc that you might have plugged into the infected PC.

Good luck

Feb 07, 2011 | Computers & Internet

2 Answers

Hi my computer has a bad virus that i cant get rid of. ive tried a lot of programs but my computer is still the same.


ave you done a full virus scan with up-to-date anti-virus software?

If you don't have any anti-virus software and you use the Internet, you REALLY need to get some! My preferred anti-virus package is Norton Anti-Virus but, if you want a free copy in a hurry, download AVG Anti-Virus from www.grisoft.com - that's also excellent smile.gif

Nov 14, 2010 | Computers & Internet

Tip

Network Access After Norton Anti-Virus Install


Sometimes you can't access a WinXP computer after installing Norton Anti-Virus.
There might be a variety of errors at the other computer depending on the operating system.
On the XP computer, in the Event Viewer / System log, there will be the following error:
The server's configuration parameter "irpstacksize" is too small for the server to use a local device.

  1. Start Regedit
  2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
  3. Edit the IRPStackSize
  4. Give it a value of 15
  5. Reboot the computer

on Sep 20, 2010 | Computers & Internet

1 Answer

20 types of computer virus


• As soon as you suspect that your computer has a virus, remove your computer from any networks it might be on, as well as from the Internet, so that you don't inadvertently spread the bug to others.
• If you have virus-scanning (anti-virus) software installed, run it.
• If you don't have anti-virus software, you'll need to obtain some. If you can't get it from a network administrator or download it from an uninfected computer, you can mail-order it from a retailer.
• Start your computer (still not connected to a network) and follow the instructions that came with the anti-virus software.
• Keep running the virus-scanning software until your computer comes up clean.
• Reconnect your computer to the Internet and check with the anti-virus software's publisher to make sure you have the latest updates. If not, download them now.
• After updating the anti-virus software, run it again until your computer comes up clean.

Sep 04, 2010 | Microsoft Windows Server Standard 2003 for...

2 Answers

My computer is running with full virus best methods to prevent virus


In addition to whatever antivirus you may have get Malwarebytes and ComboFix froma clean computer. Boot into safe mode and run both from there. They find things regular AV software doesn't see.

May 14, 2010 | Computers & Internet

1 Answer

My system is infected....Yahoo IM Crashes my system


You need to repair you computer and to also prevent it with any strong anti virus

Aug 11, 2009 | Yahoo Messenger

1 Answer

Rebooting a toshiba equium laptop


First thing to do here since the computer has a lot of virus is to clean the computer if you can still oig in to the computer better install some good anti virus and anti malware software like Avast and Malwarebytes that can clean the computer systme for virus and malware and that should fix the problem. But if you cannot log in to teh computer the next thing you can do here is to format the computer so it will be clean and reinstall everything back...

Oct 20, 2008 | Computers & Internet

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