Seems to me that it’s not entirely useful, so let’s go through how to disable it.
To remove this tweak just delete the key or give it a value of 0.
There’s also a removal script included.Download DisableLastAccessUpdate Registry Tweak
Speed Up Disk Access by Disabling Last Access Updating in Windows XP
Did you know that Windows XP updates files with the last access update time when they are opened by any application? Seems to me that it's not entirely useful, so let's go through how to disable it.
