Tuesday, August 21, 2012

How to remove a spyware

A spyware program generally installs itself on your computer without your consent. This program slows your computer and reduces the system memory. Spyware also infects computer through malicious email attachments or pop-up links(see:How does spyware affect your computer?). To remove a spyware from your computer, follow the manual removal process.

Step1: Uninstall unwanted software from your computer and install spyware detection and removal software.

Step2: You can also remove spyware using Windows Defender.
  • Click Start -> All Programs-> Windows Defender
  • Click the "down arrow" next to Scan and select Full Scan.
  • It will automatically remove any spyware that it detects.

Step3: Delete all temporary files and folders from your computer. And also clean the Recycle Bin.

Step4: If your computer is connected to the Internet then disconnect it and reboot your computer in safe mode.
Step5: Scan your computer using the anti-spyware software. It will remove infected programs or files.

Step6: Clean registry where many installed programs store their settings.There will be spyware in the Registry on systems that are infected.You should run the Registry Editor, a program that lets you view and make changes to the Registry.

Step7:  If anti-spyware software cannot remove the spyware, format your hard drive and reinstall your operating system. This should be done only in the worst scenario.

See also: How to Manually Find Spyware on a Mac
                How Adware and Spyware Can Harm Your Computer

Tuesday, August 14, 2012

How to Check if your PC is infected with Conficker Worm

Conficker worm is a computer worm that affects the Windows operating system. A worm is similar to a virus, except that a worm can copy and spread itself without any human interaction. The Conficker worm has the ability to slow your computer and disable certain security software such as virus protection and firewall (see:How to Get Rid of Conficker Worm). Follow the given steps to check if your PC is infected with Conficker worm or not.

Step1: Navigate to the Microsoft website and download the Malicious Software Removal Tool. This is a program that will scan your computer for the presence of viruses or malicious software and remove them.

Step2: If your computer is not up-to-date with the latest security updates, then check the Automatic Update Service. And turn on Automatic update.

  • Click Start, and then click Control Panel.
  • Click Performance and Maintenance, click System, and then click the Automatic Updates tab.
  • Click the option that you want. Make sure Automatic Updates is on.

Step3: You can download free Microsoft Safety Scanner tool that provides on-demand scanning and helps remove viruses, spyware, and other malicious software (How to Fix a Virus-Infected Computer). It works with your existing antivirus software.

Step4: Update antivirus software and run a full virus scan. Delete temporary files from the "Temp" folder. Search the folder for any files that end with the extension ".tmp" and contain a random series of letters and numbers; for example, "fiajdihndnu12142.tmp." Conficker worm files often have these characteristics.

Thursday, August 9, 2012

How to Connect your iPhone to the Internet

Many of your iPhone's features viz. emails, browsing etc. require an Internet connection. Your iPhone has an integrated Wi-Fi capability. When you need Wi-Fi Internet access, you can connect wherever free Wi-Fi access is available. Follow the given steps to connect your iPhone to the Internet.

How to Connect your iPhone to the Internet
Step1: Connect your device to your current Wi-Fi network, tap Settings > Wi-Fi.

Step2: Turn on your Wi-Fi network. It may be necessary to enter a password (Depending on the Wi-Fi network).

Step3: When it is connected to the network, the Wi-Fi icon displays the connection strength.

Step4: Now you will see the correct settings viz. IP-Address, Default gateway, etc.

Step5: You can also disconnect the Internet connection from Settings tab and sliding the Wi-Fi button to OFF.

See also: How to Disable a McAfee Firewall

Tuesday, August 7, 2012

How to Fix a Virus-Infected Computer

A virus- or malware-infected PC can do everything from running slow to putting sensitive information on your computer at risk. Computers can get viruses in several different ways viz. via the Internet or an already infected external device. Follow the given steps to fix your infected computer.

To remove rootkit virus,follow this blog-How to Remove a Rootkit Virus

Step1:  Find the process which is using maximum resources in your computer. Try to delete this process from DOS window. From Start menu->click Run-> Type cmd and press OK.

Step2: Type 'attrib/s -h -s -r 'file name’’ for displaying the attributes of the virus file. Hit Enter after typing the command. Now to delete the virus, type 'del drive name\'file name’.

Step3: For example there is an Autorun.inf virus in your computer that you want to delete. You will type ‘attrib -s -h -r autorun.inf’ and hit Enter. Afterwards, you will type ‘del c:\autorun.inf’.   This command assumes that the virus resides in the C:\ drive. You can change the drive letter accordingly.
Step4:  If antivirus is installed your computer then update it first and run a full virus scan on your computer.

Step5: If antivirus is not installed then install one on your computer. Remove unwanted programs from Control  panel.

Step6: If the virus in your computer does not allow you to install the anti-virus, then restart the computer in safe mode.  After successful booting of the system install the antivirus application in safe mode and then restart the computer in normal mode. Run the scanner and check for detection of virus.

See also: How to Avoid Computer Virus Infections
                How To Remove Win HDD virus