AVAST 2015 SP1 build 10.0.2208 Released November 07 2014 Whats New • Fixed problem with missing NG component under certain circumstances • Fixed a bug in the keyboard driver causing problems with keyboards • Better compatibility of the WebShield with some https pages (e.g. spotify, waze, etc.) • SecureDNS - better logic of server selection resulting in performance improvements • Fixed reported crashes It should be possible to install this version on top of your existing avast! installation (all settings should be preserved). Or you can use in-product updater. Download: avast! Release History: avast!
FYI: When I updated from Avast Free v2014 to Avast v2015.10.0.2208 from within the program's interface, file aswmonflt.sys v10.0.2208.712 was installed. I later uninstalled Avast, then installed Avast v2015.10.0.2208 from the installer; file aswmonflt.sys v10.0.2208.734 was installed.