diff --git a/src/server/lib/updatePassword.ts b/src/server/lib/updatePassword.ts
index adf08ef..6a43f9c 100644
--- a/src/server/lib/updatePassword.ts
+++ b/src/server/lib/updatePassword.ts
@@ -27,14 +27,17 @@ async function getUserDN(username: string): Promise<string> {
       filter: `(sAMAccountName=${username})`
     })
 
-    return searchEntries[0]?.dn
+    const userDN = searchEntries[0]?.dn
+
+    if (!userDN) throw new InvalidCredentialsError('Usuário não encontrado')
+
+    return userDN
   } catch (err) {
     console.error('Error finding user:', err)
+    throw err
   } finally {
     await ldapClient.unbind()
   }
-
-  throw new Error('User not found')
 }
 
 export async function updatePassword({
diff --git a/src/web/components/PasswordChecker.vue b/src/web/components/PasswordChecker.vue
index 239af2d..a792e54 100644
--- a/src/web/components/PasswordChecker.vue
+++ b/src/web/components/PasswordChecker.vue
@@ -1,12 +1,11 @@
 <template>
   <div>
-    <div class="font-weight-light mb-2">Regras para a nova senha:</div>
     <v-alert
       v-for="alert in alerts"
       :key="alert.text"
       :type="alertType(password, alert.rule)"
       class="mb-2 rule"
-      variant="tonal"
+      variant="plain"
       density="compact"
       :text="alert.text"
     />
@@ -26,19 +25,23 @@ function alertType(password: string, rule: (password: string) => boolean) {
 
 const alerts = [
   {
-    text: 'Uma ou mais letras minúsculas.',
+    text: 'Ao menos uma letra minúscula.',
     rule: (password: string) => /[a-z]/.test(password)
   },
   {
-    text: 'Uma ou mais letras maiúsculas.',
+    text: 'Ao menos uma letra maiúsculas.',
     rule: (password: string) => /[A-Z]/.test(password)
   },
   {
-    text: '8 ou mais caracteres.',
+    text: 'Ao manos um número.',
+    rule: (password: string) => /\d/.test(password)
+  },
+  {
+    text: 'Ter 8 ou mais caracteres de comprimento.',
     rule: (password: string) => password.length >= 8
   },
   {
-    text: `Um ou mais caracteres especiais (!"#$%&'()*+,\\-./:;<=>?@[]^_\`{}|~).`,
+    text: `Ao menos um símbolo especiai (!"#$%&'()*+,\\-./:;<=>?@[]^_\`{}|~).`,
     rule: (password: string) =>
       /[●!"#$%&'()*+,\-./:;<=>?@[\\\]^_`{|}~]/.test(password)
   }
diff --git a/src/web/views/Home.vue b/src/web/views/Home.vue
index 86698b0..1c066df 100644
--- a/src/web/views/Home.vue
+++ b/src/web/views/Home.vue
@@ -3,6 +3,15 @@
     <v-row justify="center">
       <v-col xl="5" lg="6" md="7" sm="10">
         <logo class="mx-auto my-3" :style="{ maxWidth: '128px' }" />
+        <v-alert
+          class="mb-2"
+          variant="tonal"
+          closable
+          type="error"
+          v-if="errorMsg"
+        >
+          {{ errorMsg }}
+        </v-alert>
         <main-form @submit="handleSubmit" :loading="loading" />
       </v-col>
     </v-row>
@@ -17,6 +26,8 @@ import { trpc } from '../trpc'
 
 const loading = ref(false)
 
+const errorMsg = ref('')
+
 async function handleSubmit({
   username,
   currentPassword,
@@ -28,13 +39,17 @@ async function handleSubmit({
 }) {
   try {
     loading.value = true
+    errorMsg.value = ''
+
     await trpc.updatePassword.mutate({
       username,
       currentPassword,
       newPassword
     })
-  } catch (error) {
+  } catch (error: any) {
     console.error(error)
+
+    errorMsg.value = error.message
   } finally {
     loading.value = false
   }