Jmac1104 reacted to v_kyr in Removing Magenta Stroke
Hi and welcome,
you probably have activated via an above button click on the top bar guide icons the visial indication of snapping guides (a magnet icon). See here:
Snapping Just press and so toggle the snapping guides button off.
Jmac1104 reacted to Old Bruce in Removing Magenta Stroke
That stroke is the "Show Snapping Candidates" which is turned on or off by going to the Snapping Manager via View > Show Snapping Manager... or clicking on the little dropdown triangle next to the Magnet icon in the Toolbar.