Your problem is a read-only /home file system.
/usr/bin/install: cannot remove `/home/admispconfig/ispconfig/tools/clamav/lib/libclamav.so.2.0.1': Read-only file system
You may have had an unexpected shutdown and have not run 'fsck' yet.
Most of the times a reboot will help. This will automatically do an fsck. Check afterwards with
is /home is mounted as read/write. Normally only cdrom filesystems are read-only.