diff --git a/electron/Index.vue b/electron/Index.vue
index 23e15b6..ff6ba35 100644
--- a/electron/Index.vue
+++ b/electron/Index.vue
@@ -89,7 +89,7 @@
                 </select>
             </div>
         </modal>
-        <modal :buttons="false" ref="wordDefinitionViewer" dialogClass="w-100 word-definition-viewer">
+        <modal :buttons="false" ref="wordDefinitionViewer" dialogClass="word-definition-viewer">
             <word-definition :expression="wordDefinitionLookup" ref="wordDefinitionLookup"></word-definition>
             <template slot="title">
                 {{wordDefinitionLookup}}
@@ -671,7 +671,7 @@
 
     .word-definition-viewer {
       .modal-content {
-        min-height: 60%;
+        min-height: 75%;
       }
 
       .definition-wrapper {
diff --git a/electron/Window.vue b/electron/Window.vue
index 859a1cd..6e8e021 100644
--- a/electron/Window.vue
+++ b/electron/Window.vue
@@ -105,10 +105,6 @@
 
             log.debug('init.window.languages');
 
-            await this.addTab();
-
-            log.debug('init.window.tab');
-
             electron.ipcRenderer.on('settings', (_e: Event, settings: GeneralSettings) => {
                 this.settings = settings;
 
@@ -116,7 +112,10 @@
                 log.transports.console.level = settings.risingSystemLogLevel;
             });
 
-            electron.ipcRenderer.on('rising-upgrade-complete', () => { this.hasCompletedUpgrades = true; });
+            electron.ipcRenderer.on('rising-upgrade-complete', () => {
+              // console.log('RISING COMPLETE RECV');
+              this.hasCompletedUpgrades = true;
+            });
             electron.ipcRenderer.on('allow-new-tabs', (_e: Event, allow: boolean) => this.canOpenTab = allow);
             electron.ipcRenderer.on('open-tab', () => this.addTab());
             electron.ipcRenderer.on('update-available', (_e: Event, available: boolean) => this.hasUpdate = available);
@@ -172,6 +171,13 @@
             document.addEventListener('click', () => this.activeTab!.view.webContents.focus());
             window.addEventListener('focus', () => this.activeTab!.view.webContents.focus());
 
+            log.debug('init.window.listeners');
+
+            await this.addTab();
+
+            log.debug('init.window.tab');
+
+
             // console.log('SORTABLE', Sortable);
 
             Sortable.create(<HTMLElement>this.$refs['tabs'], {
diff --git a/electron/main.ts b/electron/main.ts
index 9e07ca5..a9ec4ce 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -238,7 +238,8 @@ function createWindow(): Electron.BrowserWindow | undefined {
 
             // Temp fix -- manually override adblocker's preload script
             // to point to CJS  that has been copied over with config in webpack.config.js
-            const preloadScript = './preview/assets/adblocker/preload.cjs.js'; // require.resolve('@cliqz/adblocker-electron-preload');
+            // require.resolve('@cliqz/adblocker-electron-preload');
+            const preloadScript =  path.join(electron.app.getAppPath(), './preview/assets/adblocker/preload.cjs.js');
 
             // const originPath = require.resolve('@cliqz/adblocker-electron-preload');
             // const preloadScript = path.resolve(path.dirname(originPath), 'preload.cjs.js');
@@ -652,6 +653,7 @@ function onReady(): void {
     });
 
     electron.ipcMain.on('rising-upgrade-complete', () => {
+        // console.log('RISING COMPLETE SHARE');
         hasCompletedUpgrades = true;
         for(const w of electron.webContents.getAllWebContents()) w.send('rising-upgrade-complete');
     });
diff --git a/learn/dictionary/WordDefinition.vue b/learn/dictionary/WordDefinition.vue
index 3cb561f..46c2615 100644
--- a/learn/dictionary/WordDefinition.vue
+++ b/learn/dictionary/WordDefinition.vue
@@ -44,15 +44,14 @@ export default class WordDefinition extends Vue {
   mounted(): void {
     const webview = this.getWebview();
 
-    webview.addEventListener(
-        'update-target-url', // 'did-navigate', // 'dom-ready',
-        (event: EventBusEvent) => {
-            const js = this.wrapJs(this.getMutator(this.mode));
+    const eventProcessor = async (event: EventBusEvent): Promise<void> => {
+        const js = this.wrapJs(this.getMutator(this.mode));
 
-            // tslint:disable-next-line
-            this.executeJavaScript(js, event);
-        }
-    );
+        return this.executeJavaScript(js, event);
+    };
+
+    webview.addEventListener('update-target-url', eventProcessor);
+    webview.addEventListener('dom-ready', eventProcessor);
   }
 
 
@@ -62,6 +61,10 @@ export default class WordDefinition extends Vue {
 
 
   getWebUrl(): string {
+    if (!this.expression) {
+      return 'about:blank';
+    }
+
     switch(this.mode) {
       case 'dictionary':
         return `https://www.dictionary.com/browse/${encodeURI(this.getCleanedWordDefinition())}`;
diff --git a/learn/dictionary/assets/mutator.raw.js b/learn/dictionary/assets/mutator.raw.js
index ec03940..3cbb587 100644
--- a/learn/dictionary/assets/mutator.raw.js
+++ b/learn/dictionary/assets/mutator.raw.js
@@ -1,31 +1,31 @@
 class FChatDefinitionMutator {
 
     mutateDictionary() {
-        document.querySelectorAll('html')[0].setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;');
-        document.querySelectorAll('body')[0].setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;');
-        document.querySelectorAll('.app-base')[0].setAttribute('style', 'padding: 0 !important; margin: 0 !important;');
+        document.querySelectorAll('html, body').forEach(e => e.setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;'));
+        document.querySelectorAll('.app-base').forEach(e => e.setAttribute('style', 'padding: 0 !important; margin: 0 !important;'));
 
         document.querySelectorAll('header, footer, .serp-nav-button, aside, .sailthru-overlay-container, .bxc, #marketingBanner-right, #marketingBanner-right-button')
             .forEach(e => e.setAttribute('style', 'display: none !important'));
 
-
         const headword = document.querySelector('.entry-headword');
-        const parent = headword.parentElement.parentElement;
-        let el = headword.parentElement.nextElementSibling;
 
-        while (el) {
-            const dEl = el;
+        if (headword) {
+            const parent = headword.parentElement.parentElement;
+            let el = headword.parentElement.nextElementSibling;
 
-            el = el.nextElementSibling;
-            parent.removeChild(dEl);
+            while (el) {
+                const dEl = el;
+
+                el = el.nextElementSibling;
+                parent.removeChild(dEl);
+            }
         }
     }
 
 
     mutateThesaurus() {
-        document.querySelectorAll('html')[0].setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;');
-        document.querySelectorAll('body')[0].setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;');
-        document.querySelectorAll('.app-base')[0].setAttribute('style', 'padding: 0 !important; margin: 0 !important;');
+        document.querySelectorAll('html, body').forEach(e => e.setAttribute('style', 'border: 0 !important; padding: 0 !important; margin: 0 !important;'));
+        document.querySelectorAll('.app-base').forEach(e => e.setAttribute('style', 'padding: 0 !important; margin: 0 !important;'));
 
         document.querySelectorAll('header, footer, .serp-nav-button, aside, button, .sailthru-overlay-container, .bxc, #marketingBanner-right, #marketingBanner-right-button')
             .forEach(e => e.setAttribute('style', 'display: none !important'));