.net 4.5, enterprise timesheet, timecontrol, TimeControl upgrade, timesheet TimeControl 6.9 is a .Net 4.5 application March 23, 2015 chris.vandersluis Leave a comment New features in TimeControl 6.9 requires that you have installed Microsoft’s .Net 4.5+ framework. Previous versions of TimeControl will work find under .Net 4.0 but starting with 6.9, .Net 4.5 will be the minimum standard.