RAMMap showed that C:\Windows\SoftwareDistribution\DataStore\DataStore.edb mapped file was wasting 400 Mb of my precious 4 Gb RAM.
Moreover Windows Update was constantly slowing down the system in process of updating that huge file.
That may be a common problem for many lower-end PCs.
See PC Boots then writes giant datastore.edb file slowing the computer downPC Boots then writes giant datastore.edb file slowing the computer down for possible resolution.
