diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index c65b5b1..5aecce6 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -25,8 +25,12 @@
 		"message": "Über diese Seite können Sie die Einstellungen des Add-ons CanvasBlocker verändern.",
 		"description": ""
 	},
-	"installedNotice": {
-		"message": "CanvasBlocker wurde installiert oder aktualisiert. Wenn Sie diese Seite in Zukunft erreichen wollen, erstellen Sie bitte ein Lesezeichen.",
+	"installNotice": {
+		"message": "CanvasBlocker wurde installiert. Wenn Sie diese Seite in Zukunft erreichen wollen, erstellen Sie bitte ein Lesezeichen.",
+		"description": ""
+	},
+	"updateNotice": {
+		"message": "CanvasBlocker wurde aktualisiert. Wenn Sie diese Seite in Zukunft erreichen wollen und noch kein Lesezeichen erstellt ahben, erstellen Sie bitte eines.",
 		"description": ""
 	},
 	
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 3a503e4..15a10c6 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -25,8 +25,12 @@
 		"message": "This page provides a way to change the settings of the CanvasBlocker add-on.",
 		"description": ""
 	},
-	"installedNotice": {
-		"message": "CanvasBlocker was installed or updated. If you want to be able to access this page in the future, please bookmark it.",
+	"installNotice": {
+		"message": "CanvasBlocker was installed. If you want to be able to access this page in the future, please bookmark it.",
+		"description": ""
+	},
+	"updateNotice": {
+		"message": "CanvasBlocker was updated. If you want to be able to access this page in the future and have not bookmarked it, please bookmark it.",
 		"description": ""
 	},
 	
diff --git a/lib/main.js b/lib/main.js
index d211524..289b54e 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -138,8 +138,27 @@
 		}
 	});
 	
-	browser.runtime.onInstalled.addListener(function(){
-		message("CanvasBlocker installed");
+	browser.runtime.onInstalled.addListener(function(details){
+		function openOptions(reason){
+			if (
+				!browser.pageAction ||
+				!browser.pageAction.show ||
+				!browser.pageAction.openPopup
+			){
+				browser.tabs.create({
+					url: browser.extension.getURL("options/options.html?" + reason)
+				});
+			}
+		}
+		switch (details.reason){
+			case "install":
+				message("CanvasBlocker installed");
+				openOptions(details.reason);
+				break;
+			case "update":
+				message("CanvasBlocker updated");
+				openOptions(details.reason);
+		}
 	});
 
 	message("end");
diff --git a/options/options.css b/options/options.css
index cdd21a3..bc5d147 100644
--- a/options/options.css
+++ b/options/options.css
@@ -6,7 +6,7 @@ header {
 	margin-bottom: 1em;
 }
 
-header .installedNotice {
+header .bookmarkNotice {
 	margin: 0.5em;
 	padding: 0.5em;
 	border: 1px dotted #880000;
diff --git a/options/options.js b/options/options.js
index 929be97..4696b06 100644
--- a/options/options.js
+++ b/options/options.js
@@ -44,11 +44,15 @@
 		introduction.textContent = browser.i18n.getMessage("optionsIntroduction");
 		head.appendChild(introduction);
 		
-		if (window.location.search === "?installed"){
-			let bookmarkingNotice = document.createElement("div");
-			bookmarkingNotice.className = "installedNotice";
-			bookmarkingNotice.textContent = browser.i18n.getMessage("installedNotice");
-			head.appendChild(bookmarkingNotice);
+		if (window.location.search){
+			let noticeName = window.location.search.substr(1).trim() + "Notice";
+			let notice = browser.i18n.getMessage(noticeName);
+			if (notice){
+				let bookmarkingNotice = document.createElement("div");
+				bookmarkingNotice.className = noticeName + " bookmarkNotice";
+				bookmarkingNotice.textContent = notice;
+				head.appendChild(bookmarkingNotice);
+			}
 		}
 		
 		document.body.appendChild(head);
diff --git a/releaseNotes.txt b/releaseNotes.txt
index 9141ca1..f13e14b 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -4,6 +4,7 @@ Version 0.4.5:
 	
 	new features:
 		- Added way to inspect canvas content in ask mode while being asked
+		- Open options page on install or update if the options page cannot be accessed in another way
 	
 	fixes:
 		- prevent possible double faking