diff --git a/tests/test_downloads_tab_workflow_route.mjs b/tests/test_downloads_tab_workflow_route.mjs
index 08adf93..fc4d044 100644
--- a/tests/test_downloads_tab_workflow_route.mjs
+++ b/tests/test_downloads_tab_workflow_route.mjs
@@ -2,6 +2,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import test from 'node:test';
 import assert from 'node:assert/strict';
+import { normalizePathIdentity } from '../web/resolver/utils/html_utils.js';
 
 const projectRoot = path.resolve(import.meta.dirname, '..');
 const queueMethodsSource = fs.readFileSync(
diff --git a/web/resolver/actions/queue_methods.js b/web/resolver/actions/queue_methods.js
index 70d5410..e0869c6 100644
--- a/web/resolver/actions/queue_methods.js
+++ b/web/resolver/actions/queue_methods.js
@@ -495,7 +495,7 @@ export const queueMethods = {
         if (typeof document === 'undefined') return null;
 
         for (const selector of this.getWorkflowTabActiveSelectors()) {
-            let elements = [];
+            let elements;
             try {
                 elements = Array.from(document.querySelectorAll(selector));
             } catch (error) {
@@ -900,7 +900,7 @@ export const queueMethods = {
         let bestMatch = null;
 
         for (const selector of this.getWorkflowTabSearchSelectors()) {
-            let elements = [];
+            let elements;
             try {
                 elements = Array.from(document.querySelectorAll(selector));
             } catch (error) {
diff --git a/web/resolver/actions/resolve_download_methods.js b/web/resolver/actions/resolve_download_methods.js
index 346fc07..dc9f226 100644
--- a/web/resolver/actions/resolve_download_methods.js
+++ b/web/resolver/actions/resolve_download_methods.js
@@ -335,6 +335,9 @@ export const resolveDownloadMethods = {
         const batchWorkflowKey = this.getWorkflowScopedQueueKey();
         let completed = 0;
         let failed = 0;
+        let cancelled;
+        let batchError;
+        let hasBatchError = false;
         try {
             for (const missing of targets) {
                 if (this.batchSearchCancelRequested) {
@@ -351,20 +354,25 @@ export const resolveDownloadMethods = {
                 completed += 1;
                 this.updateBatchFooterButtons();
             }
+        } catch (error) {
+            batchError = error;
+            hasBatchError = true;
         } finally {
-            const cancelled = this.batchSearchCancelRequested;
+            cancelled = this.batchSearchCancelRequested;
             this.batchSearchRunning = false;
             this.batchSearchCancelRequested = false;
             this.persistSearchStateForActiveWorkflow();
             this.updateBatchFooterButtons();
-            const suffix = failed ? `, ${failed} failed` : '';
-            if (cancelled) {
-                this.showNotification(`Stopped search after ${completed} of ${targets.length} model${targets.length === 1 ? '' : 's'}${suffix}.`, 'info');
-                return;
-            }
         }
 
         const suffix = failed ? `, ${failed} failed` : '';
+        if (cancelled) {
+            this.showNotification(`Stopped search after ${completed} of ${targets.length} model${targets.length === 1 ? '' : 's'}${suffix}.`, 'info');
+            return;
+        }
+        if (hasBatchError) {
+            throw batchError;
+        }
         this.showNotification(`Finished search for ${completed} model${completed === 1 ? '' : 's'}${suffix}.`, failed ? 'error' : 'success');
     },
 
@@ -2904,7 +2912,7 @@ export const resolveDownloadMethods = {
                 const url = btn.dataset.url;
                 const filename = btn.dataset.filename;
                 const category = btn.dataset.category;
-                let pathMetadata = null;
+                let pathMetadata;
                 try {
                     pathMetadata = btn.dataset.pathMetadata
                         ? JSON.parse(decodeURIComponent(btn.dataset.pathMetadata))
@@ -2912,7 +2920,7 @@ export const resolveDownloadMethods = {
                 } catch (_error) {
                     pathMetadata = null;
                 }
-                let downloadMetadata = null;
+                let downloadMetadata;
                 try {
                     downloadMetadata = btn.dataset.downloadMetadata
                         ? JSON.parse(decodeURIComponent(btn.dataset.downloadMetadata))
diff --git a/web/resolver/model_resolver.js b/web/resolver/model_resolver.js
index eb800df..096bedb 100644
--- a/web/resolver/model_resolver.js
+++ b/web/resolver/model_resolver.js
@@ -885,7 +885,7 @@ export class ModelResolver {
         const currentWorkflow = workflow || app?.graph?.serialize?.();
         if (!currentWorkflow) return;
 
-        let signature = '';
+        let signature;
         try {
             signature = JSON.stringify((currentWorkflow.nodes || []).map((node) => [
                 node?.id,
@@ -1017,7 +1017,7 @@ export class ModelResolver {
                 for (const el of allElements) {
                     if (el.textContent?.includes('following models were not found') && 
                         el.children.length === 0) {
-                        el.parentElement?.insertBefore(btnContainer, el.nextSibling);
+                        el.parentElement?.insertBefore(autoResolveBtn, el.nextSibling);
                         break;
                     }
                 }
@@ -1082,7 +1082,7 @@ export class ModelResolver {
             );
             
             let node;
-            while (node = walker.nextNode()) {
+            while ((node = walker.nextNode())) {
                 if (node.textContent?.toLowerCase().includes(filename)) {
                     // Found text containing filename - now find parent with Download button
                     let parent = node.parentElement;
diff --git a/web/resolver/search/download_target_methods.js b/web/resolver/search/download_target_methods.js
index da0b288..2ea3ed1 100644
--- a/web/resolver/search/download_target_methods.js
+++ b/web/resolver/search/download_target_methods.js
@@ -5,6 +5,10 @@ import { getSvgIcon } from "../../utils/icon_utils.js";
 import { createFloatingTreePicker } from "../utils/tree_picker.js";
 import { safeStorage } from "../utils/html_utils.js";
 const localStorage = safeStorage;
+const invalidWindowsPathCharacters = new RegExp(
+    `[<>:"|?*${Array.from({ length: 32 }, (_, code) => String.fromCharCode(code)).join('')}]+`,
+    'g'
+);
 export const downloadTargetMethods = {
     /**
      * Ensure all models are loaded for the dropdown.
@@ -1198,7 +1202,7 @@ export const downloadTargetMethods = {
         let text = String(value || '').trim() || fallback;
         text = text
             .replace(/[\\/]+/g, '_')
-            .replace(/[<>:"|?*\x00-\x1f]+/g, '_')
+            .replace(invalidWindowsPathCharacters, '_')
             .replace(/\s+/g, ' ')
             .replace(/^[\s.]+|[\s.]+$/g, '');
         if (!text || text === '.' || text === '..') {
diff --git a/web/resolver/shell/workflow_state_methods.js b/web/resolver/shell/workflow_state_methods.js
index 6713bc3..3c3bd1a 100644
--- a/web/resolver/shell/workflow_state_methods.js
+++ b/web/resolver/shell/workflow_state_methods.js
@@ -453,7 +453,7 @@ export const workflowStateMethods = {
     },
 
     cloneSearchState(state = {}, { preserveActive = false } = {}) {
-        let clone = {};
+        let clone;
         try {
             clone = JSON.parse(JSON.stringify(state || {}));
         } catch (error) {