Fixes #38189

src/vs/editor/contrib/wordHighlighter/wordHighlighter.ts

@@ -330,7 +330,7 @@ class WordHighlighter {
 			this.renderDecorationsTimer = -1;
 			this.renderDecorations();
 		} else {
-			// Asyncrhonous
+			// Asynchronous
 			this.renderDecorationsTimer = setTimeout(() => {
 				this.renderDecorations();
 			}, (minimumRenderTime - currentTime));

src/vs/platform/contextkey/browser/contextKeyService.ts

@@ -235,7 +235,11 @@ export abstract class AbstractContextKeyService implements IContextKeyService {
 	}
 
 	public setContext(key: string, value: any): void {
-		if (this.getContextValuesContainer(this._myContextId).setValue(key, value)) {
+		const myContext = this.getContextValuesContainer(this._myContextId);
+		if (!myContext) {
+			return;
+		}
+		if (myContext.setValue(key, value)) {
 			this._onDidChangeContextKey.fire(key);
 		}
 	}