diff --git a/packages/obsidian-plugin/src/index.ts b/packages/obsidian-plugin/src/index.ts
index de6c1de0..ab2d2385 100644
--- a/packages/obsidian-plugin/src/index.ts
+++ b/packages/obsidian-plugin/src/index.ts
@@ -1,5 +1,5 @@
 import logoSvg from '../logo.svg';
-import { Plugin, Menu, PluginManifest, App } from 'obsidian';
+import { Plugin, Menu, PluginManifest, App, Notice } from 'obsidian';
 import { LintConfig, Linter, Suggestion } from 'harper.js';
 import { LocalLinter, SuggestionKind, WorkerLinter } from 'harper.js';
 import { linter } from './lint';
@@ -81,6 +81,11 @@ export default class HarperPlugin extends Plugin {
 	}
 
 	async onload() {
+		if (typeof Response == 'undefined') {
+			new Notice('Please update your Electron version before running Harper.', 0);
+			return;
+		}
+
 		const data = await this.loadData();
 		await this.initializeFromSettings(data);
 		this.registerEditorExtension(this.editorExtensions);
diff --git a/packages/web/src/routes/docs/integrations/obsidian/+page.md b/packages/web/src/routes/docs/integrations/obsidian/+page.md
index 6f3a3a8a..a53c9508 100644
--- a/packages/web/src/routes/docs/integrations/obsidian/+page.md
+++ b/packages/web/src/routes/docs/integrations/obsidian/+page.md
@@ -41,10 +41,16 @@ The Harper plugin is a powerful, privacy-first grammar and spell-checking tool d
 
 ## Installation Guide
 
-1. Open Obsidian and navigate to **Settings → Community Plugins → Browse**.
-2. Search for "Harper" in the plugin library.
-3. Click "Install" and then "Enable."
-4. Start typing in your notes—Harper will automatically highlight errors as you go!
+- Open Obsidian and navigate to **Settings → Community Plugins → Browse**.
+- Search for "Harper" in the plugin library.
+- Click "Install" and then "Enable."
+- Start typing in your notes—Harper will automatically highlight errors as you go!
+
+---
+
+:::warning[Notice]
+Harper expects an up-to-date version of Electron. If you have issues, [reinstall Obsidian](https://obsidian.md/download) or otherwise update your Electron version.
+:::
 
 ## Future Development