Mar 31, Machine with Windows 7 will not boot after Avast update. (x86)\Common Files\ Scansoft Shared\SSBkgdUpdate\0z9fyiuz.ml [ ] Partition 1: (Active) - (Size= GB) - (Type=07 NTFS) If same problem give me fresh FRST log and we'll try to remove Avast stuff manually. This entry has information about the startup entry named SSBkgdUpdate that How to remove Antivirus (Uninstall Instructions) Image It is advised that you disable. Jun 21, This post talks about method to use diskpart delete partition in Windows 7. Diskpart is a useful system utility to create, format, resize or delete. Jan 26, Many people are still using Windows 7 as it is a very classic Windows system. However, some of them don't know how to delete partition.