diff --git a/arduino-ide-extension/src/browser/contributions/sketch-control.ts b/arduino-ide-extension/src/browser/contributions/sketch-control.ts
index 8b04eaa3f..87f24e739 100644
--- a/arduino-ide-extension/src/browser/contributions/sketch-control.ts
+++ b/arduino-ide-extension/src/browser/contributions/sketch-control.ts
@@ -87,7 +87,7 @@ export class SketchControl extends SketchContribution {
             currentSketch &&
             parentsketch &&
             parentsketch.uri === currentSketch.uri &&
-            (await this.allowRename(parentsketch.uri))
+            this.allowRename(parentsketch.uri)
           ) {
             this.menuRegistry.registerMenuAction(
               ArduinoMenus.SKETCH_CONTROL__CONTEXT__MAIN_GROUP,
@@ -124,7 +124,7 @@ export class SketchControl extends SketchContribution {
             currentSketch &&
             parentsketch &&
             parentsketch.uri === currentSketch.uri &&
-            (await this.allowDelete(parentsketch.uri))
+            this.allowDelete(parentsketch.uri)
           ) {
             this.menuRegistry.registerMenuAction(
               ArduinoMenus.SKETCH_CONTROL__CONTEXT__MAIN_GROUP,
@@ -249,20 +249,24 @@ export class SketchControl extends SketchContribution {
     });
   }
 
-  protected async isCloudSketch(uri: string) {
-    const cloudCacheLocation = this.localCacheFsProvider.from(new URI(uri));
+  protected isCloudSketch(uri: string): boolean {
+    try {
+      const cloudCacheLocation = this.localCacheFsProvider.from(new URI(uri));
 
-    if (cloudCacheLocation) {
-      return true;
+      if (cloudCacheLocation) {
+        return true;
+      }
+      return false;
+    } catch {
+      return false;
     }
-    return false;
   }
 
-  protected async allowRename(uri: string) {
+  protected allowRename(uri: string): boolean {
     return !this.isCloudSketch(uri);
   }
 
-  protected async allowDelete(uri: string) {
+  protected allowDelete(uri: string): boolean {
     return !this.isCloudSketch(uri);
   }
 }
diff --git a/arduino-ide-extension/src/browser/style/editor.css b/arduino-ide-extension/src/browser/style/editor.css
index 220c7bd3d..5be2d405d 100644
--- a/arduino-ide-extension/src/browser/style/editor.css
+++ b/arduino-ide-extension/src/browser/style/editor.css
@@ -4,3 +4,7 @@
     background-size: 13px;
     background-image: var(--theia-icon-circle);
 }
+
+.monaco-list-row.show-file-icons.focused {
+    background-color: #d6ebff;
+}
diff --git a/arduino-ide-extension/src/browser/theia/core/shell-layout-restorer.ts b/arduino-ide-extension/src/browser/theia/core/shell-layout-restorer.ts
index 30769be0a..92ad44237 100644
--- a/arduino-ide-extension/src/browser/theia/core/shell-layout-restorer.ts
+++ b/arduino-ide-extension/src/browser/theia/core/shell-layout-restorer.ts
@@ -22,4 +22,30 @@ export class ShellLayoutRestorer extends TheiaShellLayoutRestorer {
       }
     }
   }
+
+  async restoreLayout(app: FrontendApplication): Promise<boolean> {
+    this.logger.info('>>> Restoring the layout state...');
+    const serializedLayoutData = await this.storageService.getData<string>(
+      this.storageKey
+    );
+    if (serializedLayoutData === undefined) {
+      this.logger.info('<<< Nothing to restore.');
+      return false;
+    }
+
+    const layoutData = await this.inflate(serializedLayoutData);
+    // workaround to remove duplicated tabs
+    if ((layoutData as any)?.mainPanel?.main?.widgets) {
+      (layoutData as any).mainPanel.main.widgets = (
+        layoutData as any
+      ).mainPanel.main.widgets.filter(
+        (widget: any) =>
+          widget.constructionOptions.factoryId !== 'code-editor-opener'
+      );
+    }
+
+    await app.shell.setLayoutData(layoutData);
+    this.logger.info('<<< The layout has been successfully restored.');
+    return true;
+  }
 }
diff --git a/arduino-ide-extension/src/test/browser/monitor-utils.test.ts b/arduino-ide-extension/src/test/browser/monitor-utils.test.ts
index 3e1e90e6d..f3056da48 100644
--- a/arduino-ide-extension/src/test/browser/monitor-utils.test.ts
+++ b/arduino-ide-extension/src/test/browser/monitor-utils.test.ts
@@ -125,7 +125,7 @@ testLines.forEach((t) =>
   )
 );
 
-describe.only('Monitor Utils', () => {
+describe('Monitor Utils', () => {
   beforeEach(() => {
     set(date);
   });