diff --git a/DefaultsOverride.swift b/DefaultsOverride.swift
index 8f7df3d1..80449f69 100644
--- a/DefaultsOverride.swift
+++ b/DefaultsOverride.swift
@@ -37,6 +37,11 @@ public class DefaultsOverride: UserDefaults {
         do {
             let attributes = try FileManager.default.attributesOfItem(atPath: prefScriptPath)
 
+            if FileManager.default.isExecutableFile(atPath: prefScriptPath) == false {
+                TCSLogErrorWithMark("override script is not executible")
+
+                return
+            }
             guard let ownerID=attributes[.ownerAccountID] as? NSNumber else {
                 TCSLogErrorWithMark("Could not get owner id")
                 return
diff --git a/Profile Manifest/com.twocanoes.xcreds.plist b/Profile Manifest/com.twocanoes.xcreds.plist
index 6d0107c0..7d6b00d9 100644
--- a/Profile Manifest/com.twocanoes.xcreds.plist	
+++ b/Profile Manifest/com.twocanoes.xcreds.plist	
@@ -5,7 +5,7 @@
 	<key>pfm_app_url</key>
 	<string>https://github.com/twocanoes/xcreds</string>
 	<key>pfm_description</key>
-	<string>XCreds 4.0 (6175) OAuth Settings</string>
+	<string>XCreds 4.0 (6176) OAuth Settings</string>
 	<key>pfm_documentation_url</key>
 	<string>https://twocanoes.com/knowledge-base/xcreds-admin-guide/#preferences</string>
 	<key>pfm_domain</key>
diff --git a/xCreds.xcodeproj/project.pbxproj b/xCreds.xcodeproj/project.pbxproj
index 7d27f1c3..122598b9 100644
--- a/xCreds.xcodeproj/project.pbxproj
+++ b/xCreds.xcodeproj/project.pbxproj
@@ -1422,7 +1422,7 @@
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -1459,7 +1459,7 @@
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEFINES_MODULE = YES;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -1580,7 +1580,7 @@
 				CODE_SIGN_ENTITLEMENTS = "XCreds Login Overlay/XCreds_Login_Overlay.entitlements";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -1617,7 +1617,7 @@
 				CODE_SIGN_ENTITLEMENTS = "XCreds Login Overlay/XCreds_Login_Overlay.entitlements";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -1767,7 +1767,7 @@
 				CODE_SIGN_ENTITLEMENTS = XCreds/xCreds.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
@@ -1809,7 +1809,7 @@
 				CODE_SIGN_ENTITLEMENTS = XCreds/xCreds.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 6175;
+				CURRENT_PROJECT_VERSION = 6176;
 				DEVELOPMENT_TEAM = UXP6YEHSPW;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
diff --git a/xCreds.xcodeproj/project.xcworkspace/xcuserdata/tperfitt.xcuserdatad/UserInterfaceState.xcuserstate b/xCreds.xcodeproj/project.xcworkspace/xcuserdata/tperfitt.xcuserdatad/UserInterfaceState.xcuserstate
index 9ce1fe5d..e759561a 100644
Binary files a/xCreds.xcodeproj/project.xcworkspace/xcuserdata/tperfitt.xcuserdatad/UserInterfaceState.xcuserstate and b/xCreds.xcodeproj/project.xcworkspace/xcuserdata/tperfitt.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
index 811892e7..74a680ba 100644
--- a/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+++ b/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
@@ -3,161 +3,4 @@
    uuid = "94C20054-8AB3-42DB-93A7-A3026166D6FC"
    type = "1"
    version = "2.0">
-   <Breakpoints>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.ExceptionBreakpoint">
-         <BreakpointContent
-            uuid = "87ED3616-FF4A-47BF-A006-E1D3084D7FF0"
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            breakpointStackSelectionBehavior = "1"
-            scope = "1"
-            stopOnStyle = "0">
-         </BreakpointContent>
-      </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "3CC83DB6-8385-48AA-A36B-2CEAF40C9B1C"
-            shouldBeEnabled = "No"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "XCredsLoginPlugIn/LoginWindow/SignInWindowController.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "37"
-            endingLineNumber = "37"
-            landmarkName = "credentialsUpdated(_:)"
-            landmarkType = "7">
-         </BreakpointContent>
-      </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "50AFFF93-9DF9-4057-ABDD-D856FFC397B3"
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "XCreds/MainController.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "113"
-            endingLineNumber = "113"
-            landmarkName = "run()"
-            landmarkType = "7">
-            <Locations>
-               <Location
-                  uuid = "50AFFF93-9DF9-4057-ABDD-D856FFC397B3 - 8ed2d22f7e8200dc"
-                  shouldBeEnabled = "Yes"
-                  ignoreCount = "0"
-                  continueAfterRunningActions = "No"
-                  symbolName = "closure #1 @Swift.MainActor () -&gt; () in closure #2 @Sendable (Foundation.Notification) -&gt; () in XCreds.MainController.run() -&gt; ()"
-                  moduleName = "XCreds"
-                  usesParentBreakpointCondition = "Yes"
-                  urlString = "file:///Users/tperfitt/Documents/Projects/xcreds/XCreds/MainController.swift"
-                  startingColumnNumber = "9223372036854775807"
-                  endingColumnNumber = "9223372036854775807"
-                  startingLineNumber = "113"
-                  endingLineNumber = "113"
-                  offsetFromSymbolStart = "792">
-               </Location>
-               <Location
-                  uuid = "50AFFF93-9DF9-4057-ABDD-D856FFC397B3 - 8ed2d22f7e8200dc"
-                  shouldBeEnabled = "Yes"
-                  ignoreCount = "0"
-                  continueAfterRunningActions = "No"
-                  symbolName = "closure #1 @Swift.MainActor () -&gt; () in closure #2 @Sendable (Foundation.Notification) -&gt; () in XCreds.MainController.run() -&gt; ()"
-                  moduleName = "XCreds"
-                  usesParentBreakpointCondition = "Yes"
-                  urlString = "file:///Users/tperfitt/Documents/Projects/xcreds/XCreds/MainController.swift"
-                  startingColumnNumber = "9223372036854775807"
-                  endingColumnNumber = "9223372036854775807"
-                  startingLineNumber = "113"
-                  endingLineNumber = "113"
-                  offsetFromSymbolStart = "832">
-               </Location>
-            </Locations>
-         </BreakpointContent>
-      </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "68268C51-9AA3-4C9A-A569-1A3B5C30135F"
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "XCreds/MenuItems.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "109"
-            endingLineNumber = "109"
-            landmarkName = "showSigninWindow()"
-            landmarkType = "7">
-            <Locations>
-               <Location
-                  uuid = "68268C51-9AA3-4C9A-A569-1A3B5C30135F - f9e1d4a935df473b"
-                  shouldBeEnabled = "Yes"
-                  ignoreCount = "0"
-                  continueAfterRunningActions = "No"
-                  symbolName = "XCreds.SignInMenuItem.showSigninWindow() -&gt; ()"
-                  moduleName = "XCreds"
-                  usesParentBreakpointCondition = "Yes"
-                  urlString = "file:///Users/tperfitt/Documents/Projects/xcreds/XCreds/MenuItems.swift"
-                  startingColumnNumber = "9223372036854775807"
-                  endingColumnNumber = "9223372036854775807"
-                  startingLineNumber = "109"
-                  endingLineNumber = "109"
-                  offsetFromSymbolStart = "1176">
-               </Location>
-               <Location
-                  uuid = "68268C51-9AA3-4C9A-A569-1A3B5C30135F - f9e1d4a935df473b"
-                  shouldBeEnabled = "Yes"
-                  ignoreCount = "0"
-                  continueAfterRunningActions = "No"
-                  symbolName = "XCreds.SignInMenuItem.showSigninWindow() -&gt; ()"
-                  moduleName = "XCreds"
-                  usesParentBreakpointCondition = "Yes"
-                  urlString = "file:///Users/tperfitt/Documents/Projects/xcreds/XCreds/MenuItems.swift"
-                  startingColumnNumber = "9223372036854775807"
-                  endingColumnNumber = "9223372036854775807"
-                  startingLineNumber = "109"
-                  endingLineNumber = "109"
-                  offsetFromSymbolStart = "1192">
-               </Location>
-               <Location
-                  uuid = "68268C51-9AA3-4C9A-A569-1A3B5C30135F - f9e1d4a935df473b"
-                  shouldBeEnabled = "Yes"
-                  ignoreCount = "0"
-                  continueAfterRunningActions = "No"
-                  symbolName = "XCreds.SignInMenuItem.showSigninWindow() -&gt; ()"
-                  moduleName = "XCreds"
-                  usesParentBreakpointCondition = "Yes"
-                  urlString = "file:///Users/tperfitt/Documents/Projects/xcreds/XCreds/MenuItems.swift"
-                  startingColumnNumber = "9223372036854775807"
-                  endingColumnNumber = "9223372036854775807"
-                  startingLineNumber = "109"
-                  endingLineNumber = "109"
-                  offsetFromSymbolStart = "1184">
-               </Location>
-            </Locations>
-         </BreakpointContent>
-      </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            uuid = "4A6776F1-EBDE-4A41-8787-97186E8B1EF3"
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "XCredsLoginPlugIn/LoginWindow/SignInWindowController.swift"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "113"
-            endingLineNumber = "113"
-            landmarkName = "setupLoginAppearance()"
-            landmarkType = "7">
-         </BreakpointContent>
-      </BreakpointProxy>
-   </Breakpoints>
 </Bucket>
diff --git a/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcschemes/xcschememanagement.plist b/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcschemes/xcschememanagement.plist
index c7ebebde..fa475150 100644
--- a/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/xCreds.xcodeproj/xcuserdata/tperfitt.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -32,7 +32,7 @@
 		<key>auth_mech_fixup.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>7</integer>
+			<integer>8</integer>
 		</dict>
 		<key>authrights.xcscheme_^#shared#^_</key>
 		<dict>
@@ -42,7 +42,7 @@
 		<key>test.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>8</integer>
+			<integer>7</integer>
 		</dict>
 	</dict>
 	<key>SuppressBuildableAutocreation</key>