Operation
Error occured during moving file to chest. This operation is not supported for this type of archive.
This is because avast can't extract the infected file from with in the .msi file without the possibility of corrupting the complete .msi file. That is the unsupported bit for the type of archive as an .msi file is an archive. So for the same reason you couldn't just choose delete rather than move to chest.
So it is difficult for a user to dive into the System Volume Information folder find the infected restore points and delete them manually as they are hidden and protected. This leaves little choice but to clear the restore points as YoKenny suggests.
- Infected Restore Points - There really is little benefit in chasing a detection in the system volume information folder. It is only there because it had previously been deleted or moved from the system folders and this is a back-up created by system restore.
- Worst case scenario it isn't infected and you delete it, you can't use that restore point in the future, not much of a loss and the older the restore point is the less of an issue it is.
- So if there is any suspicion about a restore point then it is best removed from the system volume information folder or it could bite you in the rear at some point in the future when you use system restore if it included that restore point.