Which anti virus is good for sony vaio laptop?

Cookies are web tracking files and controlled by your internet browser options and sometimes by your security software (anti-virus)

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking". Now get some or ALL of the FREE programs below.

Download, Install and Run Malwarebytes Anti-Malware:
http://majorgeeks.com/download.php?det=5756
When Installing choose the non-pro version.

Download, Unzip, Install and Run TDSSKiller:
http://majorgeeks.com/Kaspersky_TDSSKiller_d6895.html

Download, Install and Run Super Anti-Spyware:
http://majorgeeks.com/SUPERAntiSpyware_d5116.html

If you have an outdated Anti-virus program then Download, Install and Run Avira Anti-Virus:
http://majorgeeks.com/Avira_AntiVir_Personal_-_FREE_Antivirus_d955.html
Make sure to select ALL of the "threat categories" when you install or configure Avira...

You should be in pretty good shape if you run and install all of these programs.

You have some viruses and malware.

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking". Now get some or ALL of the FREE programs below.

Download, Install and Run Malwarebytes Anti-Malware:
http://majorgeeks.com/download.php?det=5756
When Installing choose the non-pro version.

Download, Unzip, Install and Run TDSSKiller:
http://majorgeeks.com/Kaspersky_TDSSKiller_d6895.html

Download, Install and Run Super Anti-Spyware:
http://majorgeeks.com/SUPERAntiSpyware_d5116.html

If you have an outdated Anti-virus program then Download, Install and Run Avira Anti-Virus:
http://majorgeeks.com/Avira_AntiVir_Personal_-_FREE_Antivirus_d955.html
Make sure to select ALL of the "threat categories" when you install or configure Avira...

You should be in pretty good shape if you run and install all of these programs.

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking". Now get some or ALL of the FREE programs below.

Download, Install and Run Malwarebytes Anti-Malware:
http://majorgeeks.com/download.php?det=5756
When Installing choose the non-pro version.

Download, Unzip, Install and Run TDSSKiller:
http://majorgeeks.com/Kaspersky_TDSSKiller_d6895.html

Download, Install and Run Super Anti-Spyware:
http://majorgeeks.com/SUPERAntiSpyware_d5116.html

If you have an outdated Anti-virus program then Download, Install and Run Avira Anti-Virus:
http://majorgeeks.com/Avira_AntiVir_Personal_-_FREE_Antivirus_d955.html
Make sure to select ALL of the "threat categories" when you install or configure Avira...

You should be in pretty good shape if you run and install all of these programs.

Go to www.download.com type malwarebytes anti-malware and install ccleaner, run cleaner first, and run a full scan with malwarebytes, and defrag your hard drive.

update your Anti Virus first. then scan. maybe your computer has a virus. if it has no virus, check the battery. if the battery is good, then there is a problem on the motherboard.

See if you can boot in Safe mode. If yes, then once up in safe mode uninstall all existing anti virus software's that you have installed. Then download Microsoft Security Essentials. But hope you are using a licensed OS. Download, install, update and then restart. Then do a full scan. This should solve your virus issues

when you start click on F8 and try to go to the prompt C; and go to the root directory and see if you have a very large file that you do not know delete that file and try again and see

I'd say it's a virus if you used to be able to copy and paste before.
Run a good anti virus scan.
check AVG and/or AVAST and/or AVIRA websites to get a good free AV.

Don't format anything yet, download a free anti virus programme from below and install. But first turn off system restore in My computer>System Restore Tab and tick the box turn off system restore on all drives. avg75free_432a904.exe http://free.grisoft.com/doc/5390/lng/us/tpl/v5#avg-anti-virus-free When the virus is detected turn back on System restore.