diff --git a/bootstrap.js b/bootstrap.js
index 20d93fe..a17392b 100644
--- a/bootstrap.js
+++ b/bootstrap.js
@@ -633,7 +633,24 @@ function updateOnPanelShowing(e, aDOMWindow, dontUpdateIni) {
 	}
 		/*if edit anything here make sure to copy updateOnPanelShowing*/
 		PUIsync = PanelUI.querySelector('#PanelUI-fxa-status');
+		if (!PUIsync) {
+			Services.prompt.alert(null, self.name + ' - ' + 'Menu Creation Failed', 'Profilist will not work properly because the "Sync" button was not found. Profilist creates its menu by cloning this element.');
+			return new Error('Profilist will not work properly because the "Sync" button was not found. Profilist creates its menu by cloning this element.');
+		}
 		var puisynch = PUIsync.boxObject.height;
+		if (puisynch == 0) {
+			//try to get height from 'PanelUI-footer-inner'
+			console.warn('cannot figure out puisynch height from PUIsync so trying PUIfi');
+			var PUIfi = PanelUI.querySelector('#PanelUI-footer-inner');
+			if (PUIfi) {
+				puisynch = PUIfi.boxObject.height;
+				console.log('puifi gave height of ' + puisynch);
+			}
+		}
+		if (puisynch == 0) {
+			console.warn('cannot figure out puisynch height from PUIsync OR PUIfi so just going with 38');
+			puisynch = 38;
+		}
 		if (puisynch != 0 && PUIsync_height != puisynch) {
 			console.log('PUIsync_height updated == ' + puisynch);
 			PUIsync_height = puisynch;
@@ -774,8 +791,8 @@ function updateStackDOMJson_basedOnToolkit(dontUpdateStack, iDOMWindow) { //and
 				console.log('stackDOMJson is 0 length', stackDOMJson);
 				console.log('profToolkit=',profToolkit);
 				stackDOMJson = [
-					{nodeToClone:'PUIsync', identifier:'[label="Create New Profile"]', label:'Create New Profile', class:'PanelUI-profilist create', id:null, oncommand:null, status:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null,  addEventListener:['command',createUnnamedProfile,false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);'},
-					{nodeToClone:'PUIsync', identifier:'[path="' + ini[profToolkit.selectedProfile.name].props.Path + '"]', label:profToolkit.selectedProfile.name, class:'PanelUI-profilist', id:null, oncommand:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null, status:'active', addEventListener:['command', makeRename, false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);', props:{profpath:ini[profToolkit.selectedProfile.name].props.Path}}
+					{nodeToClone:'PUIsync', identifier:'[label="Create New Profile"]', label:'Create New Profile', class:'PanelUI-profilist create', hidden:null, id:null, oncommand:null, status:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null,  addEventListener:['command',createUnnamedProfile,false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);'},
+					{nodeToClone:'PUIsync', identifier:'[path="' + ini[profToolkit.selectedProfile.name].props.Path + '"]', label:profToolkit.selectedProfile.name, class:'PanelUI-profilist', hidden:null, id:null, oncommand:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null, status:'active', addEventListener:['command', makeRename, false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);', props:{profpath:ini[profToolkit.selectedProfile.name].props.Path}}
 				];
 				var profNamesCurrentlyInMenu = [ini[profToolkit.selectedProfile.name].props.Path];
 				stackUpdated = true;
@@ -840,7 +857,7 @@ function updateStackDOMJson_basedOnToolkit(dontUpdateStack, iDOMWindow) { //and
 					console.log('splicing p = ', ini[p], 'stackDOMjson=', stackDOMJson);
 					stackUpdated = true;
 					(function(pClosure) {
-						var objToSplice = {nodeToClone:'PUIsync', identifier:'[path="' + ini[pClosure].props.Path + '"]', label:p, class:'PanelUI-profilist', id:null, oncommand:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null,  status:'inactive', addEventListener:['command', launchProfile, false], addEventListener2:['mousedown', makeRename, false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);', props:{profpath:ini[pClosure].props.Path}};
+						var objToSplice = {nodeToClone:'PUIsync', identifier:'[path="' + ini[pClosure].props.Path + '"]', label:p, class:'PanelUI-profilist', hidden:null, id:null, oncommand:null, tooltiptext:null, signedin:null, defaultlabel:null, errorlabel:null,  status:'inactive', addEventListener:['command', launchProfile, false], addEventListener2:['mousedown', makeRename, false], style:'-moz-appearance:none; padding:10px 0 10px 15px; margin-bottom:-1px; border-top:1px solid rgba(24,25,26,0.14); border-bottom:1px solid transparent; border-right:0 none rgb(0,0,0); border-left:0 none rgb(0,0,0);', props:{profpath:ini[pClosure].props.Path}};
 						
 						if (pClosure == profToolkit.selectedProfile.name) {
 							//should never happend because stackDOMJson length was not 0 if in this else of the parent if IT WIL CONTNIUE on this: if (profIdsCurrentlyInMenu.indexOf(p.id) > -1) { continue }
@@ -1453,7 +1470,13 @@ var windowListener = {
 				        profilistBoxFound = true;
 				    } else {
 				       //expandedFooterHeight += heightChildren[i].boxObject.height;
-				       expandedFooterHeight += Math.floor(parseFloat(aDOMWindow.getComputedStyle(heightChildren[i],null).getPropertyValue('height')));
+				       var childHeight = parseFloat(aDOMWindow.getComputedStyle(heightChildren[i],null).getPropertyValue('height'));
+				       if (isNaN(childHeight)) {
+				       	console.log('childHeight is NaN so set it to 0. childHeight = ', childHeight)
+				       	childHeight = 0;
+				       }
+				       console.info('PARSEFLOAT = ' + parseFloat(childHeight))
+				       expandedFooterHeight += Math.floor(parseFloat(childHeight));
 				    }
 				}