diff --git a/AppKitExtras/Sources/AppKitExtras/UserApp.swift b/AppKitExtras/Sources/AppKitExtras/UserApp.swift
index 9bc67df3d..39de0624b 100644
--- a/AppKitExtras/Sources/AppKitExtras/UserApp.swift
+++ b/AppKitExtras/Sources/AppKitExtras/UserApp.swift
@@ -63,19 +63,17 @@ public final class UserApp {
 				path = bundleURL.path
 			}
 			else {
-				path = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleID)
+				path = NSWorkspace.shared.urlForApplication(withBundleIdentifier: bundleID)?.path
 			}
-			if icon == nil, let path = path {
+			if icon == nil, let path {
 				icon = NSWorkspace.shared.icon(forFile: path)
 			}
 			return
 		}
 
-		path = NSWorkspace.shared.absolutePathForApplication(withBundleIdentifier: bundleID)
-		if let path = path {
-			if icon == nil {
-				icon = NSWorkspace.shared.icon(forFile: path)
-			}
+		path = NSWorkspace.shared.urlForApplication(withBundleIdentifier: bundleID)?.path
+		if icon == nil, let path {
+			icon = NSWorkspace.shared.icon(forFile: path)
 			existsOnDisk = true
 		}
 		else {
@@ -84,7 +82,7 @@ public final class UserApp {
 		}
 	}
 
-	public func launchIfNeeded() -> Bool {
+	public func launchIfNeeded() async -> Bool {
 
 		// Return true if already running.
 		// Return true if not running and successfully gets launched.
@@ -99,20 +97,29 @@ public final class UserApp {
 		}
 
 		let url = URL(fileURLWithPath: path)
-		if let app = try? NSWorkspace.shared.launchApplication(at: url, options: [.withErrorPresentation], configuration: [:]) {
-			runningApplication = app
-			if app.isFinishedLaunching {
-				return true
-			}
-			Thread.sleep(forTimeInterval: 1.0) // Give the app time to launch. This is ugly.
-			if app.isFinishedLaunching {
-				return true
-			}
-			Thread.sleep(forTimeInterval: 1.0) // Give it some *more* time.
-			return true
-		}
 
-		return false
+		do {
+			let configuration = NSWorkspace.OpenConfiguration()
+			configuration.promptsUserIfNeeded = true
+
+			let app = try await NSWorkspace.shared.openApplication(at: url, configuration: configuration)
+			runningApplication = app
+
+			if app.isFinishedLaunching {
+				return true
+			}
+
+			try? await Task.sleep(for: .seconds(1)) // Give the app time to launch. This is ugly.
+			if app.isFinishedLaunching {
+				return true
+			}
+
+			try? await Task.sleep(for: .seconds(1)) // Give it some *more* time.
+			return true
+
+		} catch {
+			return false
+		}
 	}
 
 	public func bringToFront() -> Bool {
diff --git a/Core/Sources/Core/SendToCommand.swift b/Core/Sources/Core/SendToCommand.swift
index ff83c5f4a..c60c6027d 100644
--- a/Core/Sources/Core/SendToCommand.swift
+++ b/Core/Sources/Core/SendToCommand.swift
@@ -44,6 +44,6 @@ public protocol SendToCommand {
 	///	- Parameters:
 	///   - object: The object whose data to send.
 	///   - selectedText: The currently selected text.
-	func sendObject(_ object: Any?, selectedText: String?)
+	@MainActor func sendObject(_ object: Any?, selectedText: String?)
 }
 
diff --git a/Shared/ExtensionPoints/SendToMarsEditCommand.swift b/Shared/ExtensionPoints/SendToMarsEditCommand.swift
index fb2533f80..61752583c 100644
--- a/Shared/ExtensionPoints/SendToMarsEditCommand.swift
+++ b/Shared/ExtensionPoints/SendToMarsEditCommand.swift
@@ -30,11 +30,17 @@ final class SendToMarsEditCommand: SendToCommand {
 		guard let article = (object as? ArticlePasteboardWriter)?.article else {
 			return
 		}
-		guard let app = appToUse(), app.launchIfNeeded(), app.bringToFront() else {
+		guard let app = appToUse() else {
 			return
 		}
 
-		send(article, to: app)
+		Task { @MainActor in
+			guard await app.launchIfNeeded(), app.bringToFront() else {
+				return
+			}
+
+			send(article, to: app)
+		}
 	}
 }
 
diff --git a/Shared/ExtensionPoints/SendToMicroBlogCommand.swift b/Shared/ExtensionPoints/SendToMicroBlogCommand.swift
index 897e00959..4de3e8447 100644
--- a/Shared/ExtensionPoints/SendToMicroBlogCommand.swift
+++ b/Shared/ExtensionPoints/SendToMicroBlogCommand.swift
@@ -38,24 +38,27 @@ final class SendToMicroBlogCommand: SendToCommand {
 		guard let article = (object as? ArticlePasteboardWriter)?.article else {
 			return
 		}
-		guard microBlogApp.launchIfNeeded(), microBlogApp.bringToFront() else {
-			return
+
+		Task { @MainActor in
+			guard await microBlogApp.launchIfNeeded(), microBlogApp.bringToFront() else {
+				return
+			}
+
+			// TODO: get text from contentHTML or contentText if no title and no selectedText.
+			// TODO: consider selectedText.
+
+			let s = article.attributionString + article.linkString
+
+			let urlQueryDictionary = ["text": s]
+			guard let urlQueryString = urlQueryDictionary.urlQueryString else {
+				return
+			}
+			guard let url = URL(string: "microblog://post?" + urlQueryString) else {
+				return
+			}
+
+			NSWorkspace.shared.open(url)
 		}
-
-		// TODO: get text from contentHTML or contentText if no title and no selectedText.
-		// TODO: consider selectedText.
-
-		let s = article.attributionString + article.linkString
-
-		let urlQueryDictionary = ["text": s]
-		guard let urlQueryString = urlQueryDictionary.urlQueryString else {
-			return
-		}
-		guard let url = URL(string: "microblog://post?" + urlQueryString) else {
-			return
-		}
-
-		NSWorkspace.shared.open(url)
 	}
 }