diff --git a/src/main.test.ts b/src/main.test.ts
index 6676c0f7..e1fcf210 100644
--- a/src/main.test.ts
+++ b/src/main.test.ts
@@ -104,7 +104,7 @@ describe('main entrypoint', () => {
     rootOptions().onCaughtError?.(error, { componentStack: '\n    in App' })
 
     expect(mocks.sentryHandler).toHaveBeenCalledWith(error, { componentStack: '\n    in App' })
-  }, 20_000)
+  }, 60_000)
 
   it('normalizes missing React component stacks before handing errors to Sentry', async () => {
     await importEntrypoint()
diff --git a/src/utils/noteListHelpers.test.ts b/src/utils/noteListHelpers.test.ts
index a9af0fed..b8127dd1 100644
--- a/src/utils/noteListHelpers.test.ts
+++ b/src/utils/noteListHelpers.test.ts
@@ -68,11 +68,24 @@ describe('filterEntries', () => {
       makeEntry({ path: '/vault/note/real-note.md', title: 'Real Note', isA: 'Note' }),
       makeEntry({ path: '/vault/attachments/reference.md', title: 'Attachment Markdown', isA: 'Note' }),
       makeEntry({ path: '/vault/attachments/nested/diagram.md', title: 'Nested Attachment Markdown', isA: 'Note' }),
+      makeEntry({ path: 'C:\\Users\\luca\\Vault\\attachments\\windows.md', title: 'Windows Attachment Markdown', isA: 'Note' }),
     ]
 
     const result = filterEntries(entries, allSelection, 'open')
     expect(result.map((entry) => entry.title)).toEqual(['Real Note'])
   })
+
+  it('matches slash-based folder selections against Windows entry paths', () => {
+    const entries = [
+      makeEntry({ path: 'C:\\Users\\luca\\Vault\\Client Work\\Alpha.md', title: 'Alpha' }),
+      makeEntry({ path: 'C:\\Users\\luca\\Vault\\Client Work\\Nested\\Beta.md', title: 'Beta' }),
+      makeEntry({ path: 'C:\\Users\\luca\\Vault\\Client Work Archive\\Old.md', title: 'Archive' }),
+      makeEntry({ path: 'C:\\Users\\luca\\Vault\\客户\\计划.md', title: 'Unicode' }),
+    ]
+
+    expect(filterEntries(entries, { kind: 'folder', path: 'Client Work' }).map((entry) => entry.title)).toEqual(['Alpha', 'Beta'])
+    expect(filterEntries(entries, { kind: 'folder', path: '客户' }).map((entry) => entry.title)).toEqual(['Unicode'])
+  })
 })
 
 describe('countByFilter', () => {
diff --git a/src/utils/noteListHelpers.ts b/src/utils/noteListHelpers.ts
index 70900771..5103db9c 100644
--- a/src/utils/noteListHelpers.ts
+++ b/src/utils/noteListHelpers.ts
@@ -397,8 +397,14 @@ function applySubFilter(entries: VaultEntry[], subFilter: NoteListFilter): Vault
 }
 
 function isInFolder(entryPath: string, folderRelPath: string): boolean {
-  const needle = '/' + folderRelPath + '/'
-  return entryPath.includes(needle) || entryPath.startsWith(folderRelPath + '/')
+  const folderPath = normalizeFolderPath(folderRelPath)
+  if (!folderPath) return false
+  const normalizedEntryPath = normalizeFolderPath(entryPath)
+  return normalizedEntryPath.includes(`/${folderPath}/`) || normalizedEntryPath.startsWith(`${folderPath}/`)
+}
+
+function normalizeFolderPath(path: string): string {
+  return path.replace(/\\/g, '/').replace(/^\/+|\/+$/g, '')
 }
 
 export function isAllNotesEntry(entry: VaultEntry): boolean {