diff --git a/src/api/na.ts b/src/api/na.ts
index d05f1a9..5a128db 100644
--- a/src/api/na.ts
+++ b/src/api/na.ts
@@ -29,7 +29,7 @@ export async function getNintendoAccountSessionToken(code: string, verifier: str
     const token = await response.json() as NintendoAccountSessionToken | NintendoAccountError;
 
     if ('errorCode' in token) {
-        throw new ErrorResponse('[na] + ' + token.detail, response, token);
+        throw new ErrorResponse('[na] ' + token.detail, response, token);
     }
 
     debug('Got Nintendo Account session token', token);
@@ -59,7 +59,7 @@ export async function getNintendoAccountToken(token: string, client_id: string)
     const nintendoAccountToken = await response.json() as NintendoAccountToken | NintendoAccountError;
 
     if ('errorCode' in nintendoAccountToken) {
-        throw new ErrorResponse('[na] + ' + nintendoAccountToken.detail, response, nintendoAccountToken);
+        throw new ErrorResponse('[na] ' + nintendoAccountToken.detail, response, nintendoAccountToken);
     }
 
     debug('Got Nintendo Account token', nintendoAccountToken);
@@ -85,7 +85,7 @@ export async function getNintendoAccountUser(token: NintendoAccountToken) {
     const user = await response.json() as NintendoAccountUser | NintendoAccountError;
 
     if ('errorCode' in user) {
-        throw new ErrorResponse('[na] + ' + user.detail, response, user);
+        throw new ErrorResponse('[na] ' + user.detail, response, user);
     }
 
     debug('Got Nintendo Account user info', user);
diff --git a/src/api/util.ts b/src/api/util.ts
index 4819020..84e1bd3 100644
--- a/src/api/util.ts
+++ b/src/api/util.ts
@@ -1,3 +1,4 @@
+import * as util from 'node:util';
 import { Response as NodeFetchResponse } from 'node-fetch';
 
 export class ErrorResponse<T = unknown> extends Error {
@@ -19,6 +20,19 @@ export class ErrorResponse<T = unknown> extends Error {
         } else if (typeof body !== 'undefined') {
             this.data = body;
         }
+
+        const stack = this.stack ?? (this.name + ': ' + message);
+        const lines = stack.split('\n');
+        const head = lines.shift()!;
+
+        Object.defineProperty(this, 'stack', {
+            value: head + '\n' +
+                '    from ' + response.url + ' (' + response.status + ' ' + response.statusText + ')\n' +
+                '      ' + util.inspect(this.data ? this.data : this.body, {
+                    compact: true,
+                }).replace(/\n/g, '\n      ') +
+                (lines.length ? '\n' + lines.join('\n') : ''),
+        });
     }
 }
 
diff --git a/src/app/main/index.ts b/src/app/main/index.ts
index 3d5227e..8926214 100644
--- a/src/app/main/index.ts
+++ b/src/app/main/index.ts
@@ -245,8 +245,10 @@ export class Store extends EventEmitter {
 
             await this.app.menu?.updateMenu();
         } catch (err) {
+            debug('Error restoring monitor for user %s', user.id, err);
+
             const {response} = await dialog.showMessageBox({
-                message: 'Error restoring monitor for user ' + user.id,
+                message: (err instanceof Error ? err.name : 'Error') + ' restoring monitor for user ' + user.id,
                 detail: err instanceof Error ? err.stack ?? err.message : err as any,
                 type: 'error',
                 buttons: ['OK', 'Retry'],
@@ -272,8 +274,10 @@ export class Store extends EventEmitter {
 
             await this.app.menu?.updateMenu();
         } catch (err) {
+            debug('Error restoring monitor for presence URL %s', state.discord_presence.source.url, err);
+
             const {response} = await dialog.showMessageBox({
-                message: 'Error restoring monitor for presence URL ' + state.discord_presence.source.url,
+                message: (err instanceof Error ? err.name : 'Error') + ' restoring monitor for presence URL ' + state.discord_presence.source.url,
                 detail: err instanceof Error ? err.stack ?? err.message : err as any,
                 type: 'error',
                 buttons: ['OK', 'Retry'],
diff --git a/src/app/main/ipc.ts b/src/app/main/ipc.ts
index a96bc1d..ba6a7f2 100644
--- a/src/app/main/ipc.ts
+++ b/src/app/main/ipc.ts
@@ -58,7 +58,7 @@ export function setupIpc(appinstance: App, ipcMain: IpcMain) {
         store.users.get(token).then(u => openWebService(store, token, u.nso, u.data, webservice, qs)
             .catch(err => dialog.showMessageBox(BrowserWindow.fromWebContents(e.sender)!, {
                 type: 'error',
-                title: 'Error opening web service',
+                title: (err instanceof Error ? err.name : 'Error') + ' opening web service',
                 message: err.message,
                 detail: (err instanceof Error ? err.stack ?? '' : err) + '\n\n' + util.inspect({
                     webservice: {
diff --git a/src/app/main/monitor.ts b/src/app/main/monitor.ts
index aa50fc9..c0b4137 100644
--- a/src/app/main/monitor.ts
+++ b/src/app/main/monitor.ts
@@ -262,18 +262,9 @@ export class PresenceMonitorManager {
         monitor: EmbeddedPresenceMonitor | EmbeddedProxyPresenceMonitor,
         err: ErrorResponse<CoralErrorResponse> | NodeJS.ErrnoException
     ): Promise<LoopResult> {
-        const {response} = await dialog.showMessageBox(err instanceof ErrorResponse ? {
-            message: 'Request error updating presence monitor',
-            detail: err.response.status + ' ' + err.response.statusText + ' ' +
-                err.response.url + '\n' + 
-                err.body + '\n\n' +
-                (err.stack ?? err.message),
-            type: 'error',
-            buttons: ['OK', 'Retry'],
-            defaultId: 0,
-        } : {
-            message: 'Error updating presence monitor',
-            detail: err instanceof Error ? err.stack ?? err.message : err as any,
+        const {response} = await dialog.showMessageBox({
+            message: err.name + ' updating presence monitor',
+            detail: err.stack ?? err.message,
             type: 'error',
             buttons: ['OK', 'Retry'],
             defaultId: 0,