Before installation
Does the product work with other antivirus or firewall products installed on my computer?
Are two antivirus programs better than one?
Which operating systems does the product support?
How do I know if my computer has a 32-bit or a 64-bit version of Windows XP?
How can I check which version of the Windows operating system I have?
How can I check if my computer meets the system requirements for the product?
How do I remove conflicting security programs manually?
Installation
How do I install the product?
Can I install the product on top of a trial version?
How do I uninstall the product?
Subscription and registration
Can I install the product on top of a trial version?
How do I change my F-Secure Anti-Virus installation to F-Secure Internet Security?
Where can I find the product subscription key?
Using - Changing settings
How do I open a firewall port?
How do I change the firewall profile?
How do I add a new firewall rule?
How do I create a firewall rule for a service not listed?
How do I change a firewall rule?
How do I exclude objects from scanning?
I have a home office or home network. How can I get two computers to see each other's files?
How can I allow all network traffic temporarily?
How can I make sure that messages from a specific e-mail address are not considered spam?
How do I block spam from a specific e-mail address?
I don't want to see the safety ratings for web sites anymore. How can I turn them off?
Using - Scanning
How do I exclude objects from scanning?
How can I clean Recycle Bin from malware?
The second full scan of the computer was quite fast. Did the product really scan my whole computer?
Should I manually scan my hard disks daily?
How can I clean an infected System Volume Information folder or a System Restore folder?
How can I submit samples to F-Secure?
Updates
The product shows that the virus definitions are out of date. What can I do?
How do I know that I have the latest updates?
How can I check that my computer is protected and that automatic updates are working?
More information
What is F-Secure Launch pad?
What is Online Safety?
What is Computer Security?
I think that a web site is rated incorrectly. How can I suggest a change in the safety rating?