While
Symantec,
Norton,
Trend,
Panda &
McAfee
can provide excellent antivirus software. It is likely your computer or server is infected with a computer virus if:
FBI Virus does not allow access to your computer.
Files are being deleted by Virus, corrupted or changed.
A RAID failure was observed.
A blank screen is observed or blinking cursor.
User enters one URL and is redirected to a different website.
A valid URL gives a message, "Page cannot be displayed."
User notices "missing operating system" warning.
If your virus software does not find a virus, yet your system responds slowly, we suggest getting help. Many viruses avoid detection by:
Viruses change their appearance and size.
Viruses hide hard drive changes it makes.
Viruses modifies files by changing the pointers in the directory.