diff --git a/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.spec.tsx b/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.spec.tsx
index c73e03528..640b561ea 100644
--- a/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.spec.tsx
+++ b/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.spec.tsx
@@ -33,6 +33,7 @@ import {
     fetchChallenge,
     fetchProfile,
     fetchProjectBillingAccount,
+    fetchWorkflows,
     patchChallenge,
     fetchResourceRoles,
     fetchResources,
@@ -71,6 +72,7 @@ jest.mock('../../../../lib/services', () => ({
     fetchProjectBillingAccount: jest.fn(),
     fetchResourceRoles: jest.fn(),
     fetchResources: jest.fn(),
+    fetchWorkflows: jest.fn(),
     patchChallenge: jest.fn(),
 }))
 jest.mock('../../../../lib/utils', () => ({
@@ -569,6 +571,7 @@ const mockedCreateResource = createResource as jest.Mock
 const mockedCreateChallenge = createChallenge as jest.Mock
 const mockedDeleteResource = deleteResource as jest.Mock
 const mockedFetchChallenge = fetchChallenge as jest.Mock
+const mockedFetchWorkflows = fetchWorkflows as jest.Mock
 const mockedFetchProfile = fetchProfile as jest.Mock
 const mockedFetchProjectBillingAccountService = fetchProjectBillingAccount as jest.Mock
 const mockedPatchChallenge = patchChallenge as jest.Mock
@@ -677,6 +680,7 @@ describe('ChallengeEditorForm', () => {
         mockedUseFetchTimelineTemplates.mockReturnValue({
             timelineTemplates: [],
         })
+        mockedFetchWorkflows.mockResolvedValue([])
         mockedFetchProjectBillingAccountService.mockResolvedValue({
             billingAccount: undefined,
         })
@@ -2434,6 +2438,61 @@ describe('ChallengeEditorForm', () => {
             .not.toHaveBeenCalledWith('Failed to save challenge')
     })
 
+    it('blocks launching when an assigned AI workflow has been disabled', async () => {
+        let launchAction: (() => Promise<void>) | undefined
+        let launchError: Error | undefined
+
+        mockedFetchWorkflows.mockResolvedValue([{
+            disabled: true,
+            id: 'workflow-disabled',
+            name: 'Disabled workflow',
+        }])
+
+        render(
+            <MemoryRouter>
+                <ChallengeEditorForm
+                    challenge={{
+                        ...validDraftChallenge,
+                        reviewers: [{
+                            aiWorkflowId: 'workflow-disabled',
+                            isMemberReview: false,
+                            phaseId: 'review-phase-id',
+                        }],
+                    }}
+                    onRegisterLaunchAction={action => {
+                        launchAction = action
+                    }}
+                />
+            </MemoryRouter>,
+        )
+
+        await waitFor(() => {
+            expect(launchAction)
+                .toEqual(expect.any(Function))
+        })
+
+        await act(async () => {
+            try {
+                await (launchAction as () => Promise<void>)()
+            } catch (error) {
+                launchError = error as Error
+            }
+        })
+
+        expect(launchError)
+            .toEqual(expect.objectContaining({
+                message: 'One or more saved AI workflows were disabled. '
+                    + 'Update the AI workflow configuration before saving or launching this challenge.',
+            }))
+        expect(mockedPatchChallenge)
+            .not.toHaveBeenCalled()
+        expect(mockedShowErrorToast)
+            .toHaveBeenCalledWith(
+                'One or more saved AI workflows were disabled. '
+                    + 'Update the AI workflow configuration before saving or launching this challenge.',
+            )
+    })
+
     it('does not render the attachments section while editing a draft', () => {
         render(
             <MemoryRouter>
@@ -2473,6 +2532,46 @@ describe('ChallengeEditorForm', () => {
         })
     })
 
+    it('blocks saving when an assigned AI workflow has been disabled', async () => {
+        const user = userEvent.setup()
+
+        mockedFetchWorkflows.mockResolvedValue([{
+            disabled: true,
+            id: 'workflow-disabled',
+            name: 'Disabled workflow',
+        }])
+
+        render(
+            <MemoryRouter>
+                <ChallengeEditorForm
+                    challenge={{
+                        ...validDraftChallenge,
+                        reviewers: [{
+                            aiWorkflowId: 'workflow-disabled',
+                            isMemberReview: false,
+                            phaseId: 'review-phase-id',
+                        }],
+                    }}
+                />
+            </MemoryRouter>,
+        )
+
+        await user.type(screen.getByLabelText('Challenge Name'), ' updated')
+        await user.click(screen.getByRole('button', { name: 'Save Challenge' }))
+
+        await waitFor(() => {
+            expect(mockedPatchChallenge)
+                .not.toHaveBeenCalled()
+        })
+        expect(mockedShowErrorToast)
+            .toHaveBeenCalledWith(
+                'One or more saved AI workflows were disabled. '
+                    + 'Update the AI workflow configuration before saving or launching this challenge.',
+            )
+        expect(mockedShowErrorToast)
+            .not.toHaveBeenCalledWith('Failed to save challenge')
+    })
+
     it('refreshes phase data when the fetched challenge updates for the same id', async () => {
         const initialChallenge = {
             ...validDraftChallenge,
diff --git a/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.tsx b/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.tsx
index 03cc3b7ef..c5e674bbc 100644
--- a/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.tsx
+++ b/src/apps/work/src/pages/challenges/ChallengeEditorPage/components/ChallengeEditorForm.tsx
@@ -58,6 +58,7 @@ import {
     fetchProjectBillingAccount,
     fetchResourceRoles,
     fetchResources,
+    fetchWorkflows,
     patchChallenge,
 } from '../../../../lib/services'
 import {
@@ -254,6 +255,9 @@ const SAVE_VALIDATION_ERROR_MESSAGE = 'Please fix validation errors before savin
 const DESIGN_WORK_TYPE_REQUIRED_MESSAGE = 'Select a work type'
 const TASK_ASSIGNED_MEMBER_REQUIRED_FOR_LAUNCH_MESSAGE
     = 'Assign a member before launching a task challenge.'
+const DISABLED_AI_WORKFLOW_FOR_CHALLENGE_ACTION_MESSAGE
+    = `One or more saved AI workflows were disabled.
+        Update the AI workflow configuration before saving or launching this challenge.`
 const CHALLENGE_TYPE_CHALLENGE_ABBREVIATION = 'CH'
 const CHALLENGE_TYPE_CHALLENGE_NAME = 'CHALLENGE'
 const CHALLENGE_TYPE_FIRST_2_FINISH_ABBREVIATION = 'F2F'
@@ -1116,6 +1120,37 @@ function getReviewerValidationError(
     return getMissingRequiredPhaseCoverageError(reviewers, requiredPhases)
 }
 
+async function getDisabledAiWorkflowForActionError(
+    formData: ChallengeEditorFormData,
+): Promise<string | undefined> {
+    const selectedAiWorkflowIds = Array.from(new Set((Array.isArray(formData.reviewers)
+        ? formData.reviewers
+        : [])
+        .map(reviewer => normalizeTextValue(reviewer?.aiWorkflowId))
+        .filter(Boolean)))
+
+    if (!selectedAiWorkflowIds.length) {
+        return undefined
+    }
+
+    const workflows = await fetchWorkflows()
+    const workflowMapById = new Map(
+        workflows.map(workflow => [
+            normalizeTextValue(workflow.id),
+            workflow,
+        ] as const),
+    )
+    const hasDisabledWorkflow = selectedAiWorkflowIds.some(workflowId => {
+        const matchedWorkflow = workflowMapById.get(workflowId)
+
+        return matchedWorkflow?.disabled === true
+    })
+
+    return hasDisabledWorkflow
+        ? DISABLED_AI_WORKFLOW_FOR_CHALLENGE_ACTION_MESSAGE
+        : undefined
+}
+
 function getStatusText(
     saveStatus: 'error' | 'idle' | 'saved' | 'saving',
 ): string {
@@ -2599,6 +2634,23 @@ export const ChallengeEditorForm: FC<ChallengeEditorFormProps> = (
                 throw createHandledLaunchBlockError(taskLaunchValidationError)
             }
 
+            const disabledAiWorkflowError = await getDisabledAiWorkflowForActionError(formData)
+
+            if (disabledAiWorkflowError) {
+                setSaveStatus('idle')
+                setError('reviewers', {
+                    message: disabledAiWorkflowError,
+                    type: 'manual',
+                })
+                setSaveValidationError(disabledAiWorkflowError)
+
+                if (!options.isAutosave) {
+                    showErrorToast(disabledAiWorkflowError)
+                }
+
+                throw createHandledLaunchBlockError(disabledAiWorkflowError)
+            }
+
             if (!options.isAutosave) {
                 setIsSaving(true)
                 setSaveStatus('saving')
@@ -2826,9 +2878,17 @@ export const ChallengeEditorForm: FC<ChallengeEditorFormProps> = (
             }
 
             clearErrors('reviewers')
-            await saveChallenge(formData, {
-                redirectToViewOnSuccess: true,
-            })
+            try {
+                await saveChallenge(formData, {
+                    redirectToViewOnSuccess: true,
+                })
+            } catch (error) {
+                if (isHandledLaunchBlockError(error)) {
+                    return
+                }
+
+                throw error
+            }
         },
         [
             clearErrors,