Slow running editors have been an ongoing topic but from the conversations I am unclear whether the remedies suggested apply. I am using Win 10 Pro, Version 1809; ArcMap 10.5.1.7333 under MacBootcamp and this has been troublefree since the begining of this year. Yesterday during a map edit session the "finish sketch" option slowed and sometimes failed to work leaving a line feature with verticies that would not complete correctly and the only way was to shut the edit and try again. Prior to this I spent most of the time editing and creating new feature symbols, the trouble started when using a new symbol. I stored some new symbols in C:\Users\Brian Kneller\AppData\Roaming\ESRI\Desktop10.5\ArcMap\Brian Kneller.style. I have run repair and reinstall on ArcGIS and the problem persists; I suspect it may be associated with the roaming profile since this is the only system element I actively used but I am unsure what I should do -- suggestions/advice would be welcome