diff --git a/src/extensions/core/colorPalette.ts b/src/extensions/core/colorPalette.ts
index 0db3ce95b..1f0647729 100644
--- a/src/extensions/core/colorPalette.ts
+++ b/src/extensions/core/colorPalette.ts
@@ -1,3 +1,4 @@
+import { useToastStore } from '@/stores/toastStore'
 import { app } from '../../scripts/app'
 import { $el } from '../../scripts/ui'
 import type { ColorPalettes, Palette } from '@/types/colorPalette'
@@ -588,22 +589,22 @@ app.registerExtension({
 
     const addCustomColorPalette = async (colorPalette) => {
       if (typeof colorPalette !== 'object') {
-        alert('Invalid color palette.')
+        useToastStore().addAlert('Invalid color palette.')
         return
       }
 
       if (!colorPalette.id) {
-        alert('Color palette missing id.')
+        useToastStore().addAlert('Color palette missing id.')
         return
       }
 
       if (!colorPalette.name) {
-        alert('Color palette missing name.')
+        useToastStore().addAlert('Color palette missing name.')
         return
       }
 
       if (!colorPalette.colors) {
-        alert('Color palette missing colors.')
+        useToastStore().addAlert('Color palette missing colors.')
         return
       }
 
@@ -611,7 +612,7 @@ app.registerExtension({
         colorPalette.colors.node_slot &&
         typeof colorPalette.colors.node_slot !== 'object'
       ) {
-        alert('Invalid color palette colors.node_slot.')
+        useToastStore().addAlert('Invalid color palette colors.node_slot.')
         return
       }
 
@@ -842,7 +843,9 @@ app.registerExtension({
                     )
 
                     if (colorPalettes[colorPaletteId]) {
-                      alert('You cannot delete a built-in color palette.')
+                      useToastStore().addAlert(
+                        'You cannot delete a built-in color palette.'
+                      )
                       return
                     }
 
diff --git a/src/extensions/core/groupNode.ts b/src/extensions/core/groupNode.ts
index f1100b5aa..c38a44337 100644
--- a/src/extensions/core/groupNode.ts
+++ b/src/extensions/core/groupNode.ts
@@ -6,6 +6,7 @@ import type { LGraphNode } from '@comfyorg/litegraph'
 import { LGraphCanvas, LiteGraph } from '@comfyorg/litegraph'
 import { useNodeDefStore } from '@/stores/nodeDefStore'
 import { ComfyLink, ComfyNode, ComfyWorkflowJSON } from '@/types/comfyWorkflow'
+import { useToastStore } from '@/stores/toastStore'
 
 type GroupNodeWorkflowData = {
   external: ComfyLink[]
@@ -75,7 +76,7 @@ class GroupNodeBuilder {
     const used = Workflow.isInUseGroupNode(name)
     switch (used) {
       case Workflow.InUse.InWorkflow:
-        alert(
+        useToastStore().addAlert(
           'An in use group node with this name already exists embedded in this workflow, please remove any instances or use a new name.'
         )
         return
diff --git a/src/extensions/core/groupNodeManage.ts b/src/extensions/core/groupNodeManage.ts
index 7d6b54602..4f0efd3b8 100644
--- a/src/extensions/core/groupNodeManage.ts
+++ b/src/extensions/core/groupNodeManage.ts
@@ -8,6 +8,7 @@ import {
   type LGraphNode,
   type LGraphNodeConstructor
 } from '@comfyorg/litegraph'
+import { useToastStore } from '@/stores/toastStore'
 
 const ORDER: symbol = Symbol()
 const PREFIX = 'workflow'
@@ -396,7 +397,7 @@ export class ManageGroupDialog extends ComfyDialog<HTMLDialogElement> {
                 (n) => n.type === `${PREFIX}${SEPARATOR}` + this.selectedGroup
               )
               if (node) {
-                alert(
+                useToastStore().addAlert(
                   'This group node is in use in the current workflow, please first remove these.'
                 )
                 return
diff --git a/src/extensions/core/nodeTemplates.ts b/src/extensions/core/nodeTemplates.ts
index ae5aa105d..02da9f860 100644
--- a/src/extensions/core/nodeTemplates.ts
+++ b/src/extensions/core/nodeTemplates.ts
@@ -3,6 +3,7 @@ import { api } from '../../scripts/api'
 import { ComfyDialog, $el } from '../../scripts/ui'
 import { GroupNodeConfig, GroupNodeHandler } from './groupNode'
 import { LGraphCanvas } from '@comfyorg/litegraph'
+import { useToastStore } from '@/stores/toastStore'
 
 // Adds the ability to save and add multiple nodes as a template
 // To save:
@@ -118,7 +119,7 @@ class ManageTemplates extends ComfyDialog {
         await api.storeUserData(file, templates, { stringify: false })
       } catch (error) {
         console.error(error)
-        alert(error.message)
+        useToastStore().addAlert(error.message)
       }
     } else {
       localStorage.setItem(id, JSON.stringify(this.templates))
@@ -151,7 +152,7 @@ class ManageTemplates extends ComfyDialog {
 
   exportAll() {
     if (this.templates.length == 0) {
-      alert('No templates to export.')
+      useToastStore().addAlert('No templates to export.')
       return
     }
 
diff --git a/src/extensions/core/uploadAudio.ts b/src/extensions/core/uploadAudio.ts
index 07a411213..5dc729bac 100644
--- a/src/extensions/core/uploadAudio.ts
+++ b/src/extensions/core/uploadAudio.ts
@@ -3,6 +3,7 @@ import { api } from '../../scripts/api'
 import type { IWidget } from '@comfyorg/litegraph'
 import type { DOMWidget } from '@/scripts/domWidget'
 import { ComfyNodeDef } from '@/types/apiTypes'
+import { useToastStore } from '@/stores/toastStore'
 
 type FolderType = 'input' | 'output' | 'temp'
 
@@ -66,10 +67,10 @@ async function uploadFile(
         audioWidget.value = path
       }
     } else {
-      alert(resp.status + ' - ' + resp.statusText)
+      useToastStore().addAlert(resp.status + ' - ' + resp.statusText)
     }
   } catch (error) {
-    alert(error)
+    useToastStore().addAlert(error)
   }
 }
 
diff --git a/src/extensions/core/webcamCapture.ts b/src/extensions/core/webcamCapture.ts
index 1aea0f6a7..86c461a1c 100644
--- a/src/extensions/core/webcamCapture.ts
+++ b/src/extensions/core/webcamCapture.ts
@@ -1,5 +1,6 @@
 import { app } from '../../scripts/app'
 import { api } from '../../scripts/api'
+import { useToastStore } from '@/stores/toastStore'
 
 const WEBCAM_READY = Symbol()
 
@@ -102,7 +103,7 @@ app.registerExtension({
         capture()
       } else if (!node.imgs?.length) {
         const err = `No webcam image captured`
-        alert(err)
+        useToastStore().addAlert(err)
         throw new Error(err)
       }
 
@@ -120,7 +121,7 @@ app.registerExtension({
       })
       if (resp.status !== 200) {
         const err = `Error uploading camera image: ${resp.status} - ${resp.statusText}`
-        alert(err)
+        useToastStore().addAlert(err)
         throw new Error(err)
       }
       return `webcam/${name} [temp]`
diff --git a/src/scripts/app.ts b/src/scripts/app.ts
index 9eb32ac89..56f2d6f4f 100644
--- a/src/scripts/app.ts
+++ b/src/scripts/app.ts
@@ -29,8 +29,7 @@ import {
   LGraphCanvas,
   LGraph,
   LGraphNode,
-  LiteGraph,
-  LGraphGroup
+  LiteGraph
 } from '@comfyorg/litegraph'
 import { StorageLocation } from '@/types/settingTypes'
 import { ExtensionManager } from '@/types/extensionTypes'
@@ -48,7 +47,7 @@ import {
 } from '@/services/dialogService'
 import { useSettingStore } from '@/stores/settingStore'
 import { useToastStore } from '@/stores/toastStore'
-import { ModelStore, useModelStore } from '@/stores/modelStore'
+import { useModelStore } from '@/stores/modelStore'
 import type { ToastMessageOptions } from 'primevue/toast'
 import { useWorkspaceStore } from '@/stores/workspaceStateStore'
 import { useExecutionStore } from '@/stores/executionStore'
@@ -504,7 +503,9 @@ export class ComfyApp {
                 throw error
               }
             } catch (error) {
-              alert('Error copying image: ' + (error.message ?? error))
+              useToastStore().addAlert(
+                'Error copying image: ' + (error.message ?? error)
+              )
             }
           }
         }
@@ -2301,7 +2302,9 @@ export class ComfyApp {
       // TODO: Show validation error in a dialog.
       const validatedGraphData = await validateComfyWorkflow(
         graphData,
-        /* onError=*/ alert
+        /* onError=*/ (err) => {
+          useToastStore().addAlert(err)
+        }
       )
       // If the validation failed, use the original graph data.
       // Ideally we should not block users from loading the workflow.
diff --git a/src/scripts/logging.ts b/src/scripts/logging.ts
index b25d65881..21750e920 100644
--- a/src/scripts/logging.ts
+++ b/src/scripts/logging.ts
@@ -1,6 +1,7 @@
 import { $el, ComfyDialog } from './ui'
 import { api } from './api'
 import type { ComfyApp } from './app'
+import { useToastStore } from '@/stores/toastStore'
 
 $el('style', {
   textContent: `
@@ -130,7 +131,7 @@ class ComfyLoggingDialog extends ComfyDialog {
             throw new Error('Invalid file selected.')
           }
         } catch (error) {
-          alert('Unable to load logs: ' + error.message)
+          useToastStore().addAlert('Unable to load logs: ' + error.message)
         }
       }
       reader.readAsText(fileInput.files[0])
diff --git a/src/scripts/ui/settings.ts b/src/scripts/ui/settings.ts
index b4f6ad0e6..720f4bd04 100644
--- a/src/scripts/ui/settings.ts
+++ b/src/scripts/ui/settings.ts
@@ -5,6 +5,7 @@ import type { ComfyApp } from '../app'
 import type { Setting, SettingParams } from '@/types/settingTypes'
 import { useSettingStore } from '@/stores/settingStore'
 import { Settings } from '@/types/apiTypes'
+import { useToastStore } from '@/stores/toastStore'
 
 export class ComfySettingsDialog extends ComfyDialog<HTMLDialogElement> {
   app: ComfyApp
@@ -157,8 +158,7 @@ export class ComfySettingsDialog extends ComfyDialog<HTMLDialogElement> {
 
   setSettingValue<K extends keyof Settings>(id: K, value: Settings[K]) {
     this.setSettingValueAsync(id, value).catch((err) => {
-      alert(`Error saving setting '${id}'`)
-      console.error(err)
+      useToastStore().addAlert(`Error saving setting '${id}': ${err}`)
     })
   }
 
diff --git a/src/scripts/widgets.ts b/src/scripts/widgets.ts
index 5b12aaae1..5beaa75ea 100644
--- a/src/scripts/widgets.ts
+++ b/src/scripts/widgets.ts
@@ -4,6 +4,7 @@ import type { ComfyApp } from './app'
 import type { IWidget, LGraphNode } from '@comfyorg/litegraph'
 import { InputSpec } from '@/types/apiTypes'
 import { useSettingStore } from '@/stores/settingStore'
+import { useToastStore } from '@/stores/toastStore'
 
 export type ComfyWidgetConstructor = (
   node: LGraphNode,
@@ -578,10 +579,10 @@ export const ComfyWidgets: Record<string, ComfyWidgetConstructor> = {
             imageWidget.value = path
           }
         } else {
-          alert(resp.status + ' - ' + resp.statusText)
+          useToastStore().addAlert(resp.status + ' - ' + resp.statusText)
         }
       } catch (error) {
-        alert(error)
+        useToastStore().addAlert(error)
       }
     }
 
diff --git a/src/scripts/workflows.ts b/src/scripts/workflows.ts
index 8ad88c807..65c77ba5d 100644
--- a/src/scripts/workflows.ts
+++ b/src/scripts/workflows.ts
@@ -12,6 +12,7 @@ import {
 import { useExecutionStore } from '@/stores/executionStore'
 import { markRaw, toRaw } from 'vue'
 import { UserDataFullInfo } from '@/types/apiTypes'
+import { useToastStore } from '@/stores/toastStore'
 
 export class ComfyWorkflowManager extends EventTarget {
   executionStore: ReturnType<typeof useExecutionStore> | null
@@ -76,7 +77,9 @@ export class ComfyWorkflowManager extends EventTarget {
         }
       })
     } catch (error) {
-      alert('Error loading workflows: ' + (error.message ?? error))
+      useToastStore().addAlert(
+        'Error loading workflows: ' + (error.message ?? error)
+      )
     }
   }
 
@@ -227,7 +230,7 @@ export class ComfyWorkflow {
   async getWorkflowData() {
     const resp = await api.getUserData('workflows/' + this.path)
     if (resp.status !== 200) {
-      alert(
+      useToastStore().addAlert(
         `Error loading workflow file '${this.path}': ${resp.status} ${resp.statusText}`
       )
       return
@@ -268,7 +271,7 @@ export class ComfyWorkflow {
       this.manager.workflowBookmarkStore?.setBookmarked(this.path, value)
       this.manager.dispatchEvent(new CustomEvent('favorite', { detail: this }))
     } catch (error) {
-      alert(
+      useToastStore().addAlert(
         'Error favoriting workflow ' +
           this.path +
           '\n' +
@@ -299,7 +302,7 @@ export class ComfyWorkflow {
     }
 
     if (resp.status !== 200) {
-      alert(
+      useToastStore().addAlert(
         `Error renaming workflow file '${this.path}': ${resp.status} ${resp.statusText}`
       )
       return
@@ -343,7 +346,7 @@ export class ComfyWorkflow {
     }
     const resp = await api.deleteUserData('workflows/' + this.path)
     if (resp.status !== 204) {
-      alert(
+      useToastStore().addAlert(
         `Error removing user data file '${this.path}': ${resp.status} ${resp.statusText}`
       )
     }
@@ -395,7 +398,7 @@ export class ComfyWorkflow {
     }
 
     if (resp.status !== 200) {
-      alert(
+      useToastStore().addAlert(
         `Error saving workflow '${this.path}': ${resp.status} ${resp.statusText}`
       )
       return
diff --git a/src/stores/toastStore.ts b/src/stores/toastStore.ts
index 9265a2a3b..1629dfc23 100644
--- a/src/stores/toastStore.ts
+++ b/src/stores/toastStore.ts
@@ -20,6 +20,9 @@ export const useToastStore = defineStore('toast', {
     },
     removeAll() {
       this.removeAllRequested = true
+    },
+    addAlert(message: string) {
+      this.add({ severity: 'warn', summary: 'Alert', detail: message })
     }
   }
 })
diff --git a/tests-ui/globalSetup.ts b/tests-ui/globalSetup.ts
index 5ad73025f..d8ff2d2ea 100644
--- a/tests-ui/globalSetup.ts
+++ b/tests-ui/globalSetup.ts
@@ -28,6 +28,14 @@ module.exports = async function () {
     }
   })
 
+  jest.mock('@/stores/toastStore', () => {
+    return {
+      useToastStore: () => ({
+        addAlert: jest.fn()
+      })
+    }
+  })
+
   jest.mock('vue-i18n', () => {
     return {
       useI18n: jest.fn()