i have find the folder F:\Documents and Settings\All Users\Application Data\AVAST Software\Avast\chest with 33 files named "0000000A" to "00000020" and ondex.xml.
what can i do ? Send the folder to avast lab ?
You can't work with the files from outside the avast chest, they are encrypted. You have to open the avast chest, avastUI, Maintenance, Virus Chest.
Files can be submitted to avast for analysis by right clicking on them and select Submit to virus lab... Unfortunately there is no means to send multiple samples to the labs together.
I'm not sure what it is that you are trying to achieve by sending them to the avast virus labs ?
With 33 detections I rather suspect it might be some sort of file infecter rather than 33 false positive detections that you want resolved. The virus labs can't clean files that you send them if they are infected if they couldn't be Repaired previously as part of the detection.
Can you give us some examples of the file name, malware name and the original location e.g. (C:\windows\system32\infected-file-name.xxx) ?
All of this information should be available to you in the chest, by right clicking on the file and select Properties.