I want to open the images in the camera, and when I open the folder appears to me an error:
http://up353.siz.co.il/img2/hmmwuzm1dzyh.png
What to do ?
thnex all 
It is not a avast error pop up…so why do You aske here ?
Looks like an infection maybe
Download aswMBR.exe ( 4.1mb ) to your desktop.
Double click the aswMBR.exe to run it Click the “Scan” button to start scan
http://i1224.photobucket.com/albums/ee362/Essexboy3/aswMBR%20shots/aswMBRScan.gif
On completion of the scan click save log, save it to your desktop and post in your next reply
http://i1224.photobucket.com/albums/ee362/Essexboy3/aswMBR%20shots/aswMBRsavelog.gif
THEN
Download OTL to your Desktop
[*]Double click on the icon to run it. Make sure all other windows are closed and to let it run uninterrupted.
[*]Select All Users
[*]Under the Custom Scan box paste this in
[b]netsvcs
%SYSTEMDRIVE%*.exe
/md5start
consrv.dll
explorer.exe
winlogon.exe
Userinit.exe
svchost.exe
/md5stop
C:\Windows\assembly\tmp\U*.* /s
%Temp%\smtmp\1*.*
%Temp%\smtmp\2*.*
%Temp%\smtmp\3*.*
%Temp%\smtmp\4*.*
C:\commands.txt echo list vol /raw /hide /c
/wait
C:\DiskReport.txt diskpart /s C:\commands.txt /raw /hide /c
/wait
type c:\diskreport.txt /c
/wait
erase c:\commands.txt /hide /c
/wait
erase c:\diskreport.txt /hide /c
CREATERESTOREPOINT[/b]
[*]Click the Quick Scan button. Do not change any settings unless otherwise told to do so. The scan wont take long.
[*]When the scan completes, it will open two notepad windows. OTL.Txt and Extras.Txt. These are saved in the same location as OTL.
[*]Attach both logs