hi tech thank you sooo much for the quick reply.
Be used to avast forums speed
do you think if i delete system check points and make a new one it will rid all those errors that i have?
Yes, the ones related to restore points.
Or what do you advice ?
For the other files? Don't worry
And also what do you mean by "different packaging method of files?
Files are packaged (zip, cab, arj...) and avast needs to unpack them to scan. If avast scanner can't unpack, files aren't scanned, stay there silently, won't harm your computer. But an error message is displayed in the report (by default, you can remove this and be reported only if infected files were found).
And how do you "unpackaged" malware ?
It's a supposition... If there is a malware inside of the archive file it will be detected when the original program unpacks it...