Avira AntiVir® PersonalEdition Classic(English Tutorial with pictures)Avira AntiVir PersonalEdition Classic reliably protects the private computer
against dangerous viruses, worms, Trojans and costly dialers.
System Requirements: Windows 2000, XP, Vista 32 Bit and 64 Bit
Instructions for useInstallationDownload Avira AntiVir® PersonalEdition ClassicSave it to your desktop.
You will see a picture like that one below:

Double-Click the antivir_workstation_win7u_en_h.exe on your desktop:
Accept > Wait for the installation of the program > Reboot your machine > next >
accept the Terms of the License Agreement > accept that Avira may only be used for Private Purpose
> next > use Complete Install > wait until the program is installed
Allow "Generate random serial number and submit during update",
have a look to the picture below:

Reboot your machine > click
YES,
have a look to the picture below:

Once your machine is restarted you will get a pop up message like this one:

You need to
UPDATE Avira AntiVir first > click the button
UpdateYou can also
Double-Click the Avira AntiVir Icon >
You will then get a new Avira AntiVir Window > Click '
Start update',
as to be seen on the picture below:

Wait until the program is updated, it will take a little while.
When the Update is finished the Update Window will close.
ConfigurationNow we need to configure
Avira AntiVirClick '
Configuration'
as to be seen on the picture below:

Please have a look to the picture below:
Under
Scan:
Set a checkmark into '
Expert mode'(1)
Use '
All files'(2)
Use these '
Additional settings'(3):
Set a checkmark into '
Scan bootsectors of selected drives',
'
Scan master boot sectors', '
Scan memory', '
Search for Rootkits before scan'.
'
Allow stopping the scanner'(4) -> use '
normal'
Click '
OK'(5)

Have a look to the picture below:
Under
Archives (1):
Set a checkmarks to '
Scan archives', '
All archive types', '
Smart Extensions'(2)
Click '
OK'(4)

Please have a look to the picture below:
Under
Heuristic (1):
Set a checkmark into '
Macrovirus heuristic' (2)
Set a checkmark into '
Win32 file heuristic' and '
High detection level' (3)
Click '
OK' (4)

Please have a look to the picture below:
Go to
Guard: configure the
Heuristic settings of the Guard in the same way (1):
Set a checkmark into '
Macrovirus heuristic' (2)
Set a checkmark into '
Win32 file heuristic' and '
High detection level' (3)
Click '
OK' (4)

Have a look to the picture below:
Under
Extended threat categories (1):
Chose '
Select all' (2)
Click '
OK' (3)

Please have a look to the picture below:
Under
Security (1):
Chose '
Protect configuration' (2)
the other settings are OK, there must be a checkmark in
'
Show notice if the definition file is out of date' and in '
Protect AntiVir settings from unwanted termination'
Click '
OK' (3)
Now Configuration is done.AntiVir GuardNote: Please take care that the
AntiVir Guard is Activated.
The AntiVir Guard watches your system and can intercept malware before it can do any harm to your machine.
MiscellaneousNow have a look to the picture below:
Under
Scheduler: use the
Daily Update You can chose to automatically scan your machine daily, if you want to do so.
ScanHave a look to the picture below:
Since all preparations are done, chose the Option
Scan system now 
The best you can do to scan your system with
Avira AntiVir is to do the Scan in
"Safe Mode":
Reboot your machine into
"Safe Mode" using the F8 key.
To do this, restart your computer and after hearing your computer beep once during startup
(before the Windows icon appears)
press the F8 key repeatedly.
A menu will appear with several options. Use the arrow keys to navigate
and select the option to run Windows
in
"Safe Mode",
as to be seen on the picture below:

Please close all applications, all windows, your browser, while scanning your machine.
Please be patient, the scan lasts some time.
Please
move everything what is found on your computer
to quarantine > Click '
OK'
as to be seen on the picture below:

Don't forget to cleanup your
Avira AntiVir Quarantine once in a while.
Once the scan is done, click the
Report button,
as to be seen on the picture below:

Notepad will open and show you a detailed report.
(As you are asking for help and advice on a supportforum, please copy&paste this report to your thread.)
Click the
End button to exit the program.
Reboot your machine into Normal Mode once the scan is done.
If you want to see your scan report later once again,
Double-Click the
Avira AntiVir Icon to open the Main Menu
Click the tab
Reports > use your right mouse to highlight the report which you want to see
Use the Option '
Display Report file' to get your log,
as to be seen on the picture below:
GuidelinePlease have a look to the picture below:
Normally Windows Security Center should accept Avira AntiVir
as a working and updated AntiVirus, but sometimes it doesn't...
If you get the red Warning Icon > open System Control
> open
Advice (2) > chose manually control (3) > Click '
OK' (4)

Have a look to the picture below:
As Avira AntiVir is running on your machine, the umbrella MUST be open!

If the umbrella is closed,
Avira AntiVir is NOT running.