diff --git a/src/config/lexics/public.tsx b/src/config/lexics/public.tsx
index 71cabadf..f0b3a41e 100644
--- a/src/config/lexics/public.tsx
+++ b/src/config/lexics/public.tsx
@@ -1,8 +1,11 @@
 export const publicLexics = {
+  error_account_blocked: 12909,
   error_empty_email: 2498,
+  error_empty_password: 2499,
   error_fill_out_required_fields: 12911,
   error_fill_out_this_field: 12933,
   error_invalid_email_format: 12908,
+  error_invalid_email_or_password: 2502,
   error_select_country_first: 12910,
   error_simple_password: 12940,
   form_address1: 12914,
diff --git a/src/features/AuthStore/hooks/useLogin.tsx b/src/features/AuthStore/hooks/useLogin.tsx
index 28ca33b8..68ec11c3 100644
--- a/src/features/AuthStore/hooks/useLogin.tsx
+++ b/src/features/AuthStore/hooks/useLogin.tsx
@@ -19,12 +19,7 @@ export const useLogin = ({ setToken }: Args) => {
     history.replace(PAGES.home)
   }
 
-  const onError = (message: string) => {
-    // eslint-disable-next-line no-alert
-    window.alert(message)
-  }
-
   return async ({ email, password }: LoginArgs) => (
-    login({ email, password }).then(onSuccess, onError)
+    login({ email, password }).then(onSuccess)
   )
 }
diff --git a/src/features/Combobox/index.tsx b/src/features/Combobox/index.tsx
index cf5892a1..b77c6ef6 100644
--- a/src/features/Combobox/index.tsx
+++ b/src/features/Combobox/index.tsx
@@ -88,7 +88,7 @@ export const Combobox = <T extends Option>(props: Props<T>) => {
           </ComboboxPopoverStyled>
         )}
       </ComboboxStyled>
-      <Error>{error && <T9n t={error} />}</Error>
+      <Error t={error || ''} />
     </Column>
   )
 }
diff --git a/src/features/Common/Input/index.tsx b/src/features/Common/Input/index.tsx
index 43671e73..426b36be 100644
--- a/src/features/Common/Input/index.tsx
+++ b/src/features/Common/Input/index.tsx
@@ -81,6 +81,6 @@ export const Input = ({
         title={title}
       />
     </InputWrapper>
-    <Error>{error && <T9n t={error} />}</Error>
+    <Error t={error || ''} />
   </Column>
 )
diff --git a/src/features/Common/Input/styled.tsx b/src/features/Common/Input/styled.tsx
index cdbd4b36..2f76daea 100644
--- a/src/features/Common/Input/styled.tsx
+++ b/src/features/Common/Input/styled.tsx
@@ -2,6 +2,8 @@ import styled, { css } from 'styled-components/macro'
 
 import isNil from 'lodash/isNil'
 
+import { T9n } from 'features/T9n'
+
 export type WrapperProps = {
   error?: string | null,
   paddingX?: number,
@@ -88,7 +90,7 @@ export const Column = styled.div`
   flex-direction: column;
 `
 
-export const Error = styled.span`
+export const Error = styled(T9n)`
   min-height: 16px;
   margin-top: 5px;
   font-style: normal;
diff --git a/src/features/Login/hooks.tsx b/src/features/Login/hooks.tsx
index d98139c9..1e91dc8a 100644
--- a/src/features/Login/hooks.tsx
+++ b/src/features/Login/hooks.tsx
@@ -1,26 +1,68 @@
-import type { FormEvent } from 'react'
+import type { FormEvent, FocusEvent } from 'react'
 
 import trim from 'lodash/trim'
+import isEmpty from 'lodash/isEmpty'
 
 import { useAuthStore } from 'features/AuthStore'
+import { useForm } from 'features/FormStore'
 import { formIds } from 'features/Register/components/RegistrationStep/config'
+import { isValidEmail } from 'features/Register/helpers/isValidEmail'
 
-const readFormValue = (event: FormEvent<HTMLFormElement>) => (
-  (fieldName: string) => trim(event.currentTarget[fieldName]?.value)
-)
-
-export const useForm = () => {
+export const useLoginForm = () => {
+  const {
+    readFormError,
+    readFormValue,
+    updateFormError,
+    updateFormValue,
+  } = useForm()
   const { login } = useAuthStore()
 
+  const onEmailBlur = ({ target }: FocusEvent<HTMLInputElement>) => {
+    if (!isValidEmail(target.value)) {
+      updateFormError(formIds.email, 'error_invalid_email_format')
+    }
+  }
+
+  const readTrimmedValue = (fieldName: string) => trim(readFormValue(fieldName))
+
+  const validateForm = () => {
+    let hasError = false
+    const email = readTrimmedValue(formIds.email)
+    const password = readTrimmedValue(formIds.password)
+    if (isEmpty(email)) {
+      updateFormError(formIds.email, 'error_empty_email')
+      hasError = true
+    } else if (!isValidEmail(email)) {
+      updateFormError(formIds.email, 'error_invalid_email_format')
+      hasError = true
+    }
+    if (isEmpty(password)) {
+      updateFormError(formIds.password, 'error_empty_password')
+      hasError = true
+    }
+    return !hasError
+  }
+
+  const onError = (message: string) => {
+    updateFormError(formIds.formError, message)
+  }
+
   const handleSubmit = async (event: FormEvent<HTMLFormElement>) => {
     event.preventDefault()
 
-    const readFieldValue = readFormValue(event)
-    const email = readFieldValue(formIds.email)
-    const password = readFieldValue(formIds.password)
+    if (validateForm()) {
+      const email = readTrimmedValue(formIds.email)
+      const password = readTrimmedValue(formIds.password)
 
-    login({ email, password })
+      login({ email, password }).catch(onError)
+    }
   }
 
-  return { handleSubmit }
+  return {
+    handleSubmit,
+    onEmailBlur,
+    readFormError,
+    readFormValue,
+    updateFormValue,
+  }
 }
diff --git a/src/features/Login/index.tsx b/src/features/Login/index.tsx
index e3f6bd34..8c1a4d39 100644
--- a/src/features/Login/index.tsx
+++ b/src/features/Login/index.tsx
@@ -5,10 +5,11 @@ import { PAGES } from 'config'
 import { T9n } from 'features/T9n'
 import { Logo } from 'features/Logo'
 import { Input, ButtonSolid } from 'features/Common'
+import { Error } from 'features/Common/Input/styled'
 import { formIds } from 'features/Register/components/RegistrationStep/config'
-import { useLexicsStore } from 'features/LexicsStore'
+import { FormStore } from 'features/FormStore'
 
-import { useForm } from './hooks'
+import { useLoginForm } from './hooks'
 import {
   BlockTitle,
   CenterBlock,
@@ -19,10 +20,16 @@ import {
 
 const labelWidth = 75
 
-export const Login = () => {
-  const { handleSubmit } = useForm()
-  const { translate } = useLexicsStore()
-  const defaultMessage = translate('please_fill_out_this_field')
+const LoginForm = () => {
+  const {
+    handleSubmit,
+    onEmailBlur,
+    readFormError,
+    readFormValue,
+    updateFormValue,
+  } = useLoginForm()
+
+  const requestError = readFormError(formIds.formError)
 
   return (
     <CenterBlock>
@@ -32,21 +39,26 @@ export const Login = () => {
           <T9n t='step_title_login' />
         </BlockTitle>
 
+        {requestError && <Error t={requestError} />}
+
         <Input
-          required
           id={formIds.email}
           type='email'
+          value={readFormValue(formIds.email)}
+          error={readFormError(formIds.email)}
+          onChange={updateFormValue(formIds.email)}
+          onBlur={onEmailBlur}
           labelLexic='form_email'
           labelWidth={labelWidth}
-          title={defaultMessage}
         />
         <Input
-          required
           id={formIds.password}
           type='password'
+          value={readFormValue(formIds.password)}
+          error={readFormError(formIds.password)}
+          onChange={updateFormValue(formIds.password)}
           labelLexic='form_password'
           labelWidth={labelWidth}
-          title={defaultMessage}
         />
 
         <ButtonsBlock>
@@ -61,3 +73,9 @@ export const Login = () => {
     </CenterBlock>
   )
 }
+
+export const Login = () => (
+  <FormStore>
+    <LoginForm />
+  </FormStore>
+)
diff --git a/src/features/Register/components/RegistrationStep/hooks/useValidateForm.tsx b/src/features/Register/components/RegistrationStep/hooks/useValidateForm.tsx
index 26bd84b0..776a2cdd 100644
--- a/src/features/Register/components/RegistrationStep/hooks/useValidateForm.tsx
+++ b/src/features/Register/components/RegistrationStep/hooks/useValidateForm.tsx
@@ -27,16 +27,16 @@ export const useValidateForm = () => {
       (acc, fieldName) => {
         if (isFieldEmpty(fieldName)) {
           updateFormError(fieldName, message)
-          return acc + 1
+          return true
         }
         return acc
       },
-      0,
+      false,
     )
   )
 
   const validateForm = () => {
-    let errorsCount = 0
+    let hasError = false
     const email = readTrimmedValue(formIds.email)
     const password = readTrimmedValue(formIds.password)
     if (allFieldsEmpty(requiredFields)) {
@@ -46,16 +46,16 @@ export const useValidateForm = () => {
     }
     if (isFieldEmpty(formIds.email)) {
       updateFormError(formIds.email, 'error_empty_email')
-      errorsCount++
+      hasError = true
     } else if (!isValidEmail(email)) {
       updateFormError(formIds.email, 'error_invalid_email_format')
     }
     if (!isValidPassword(password)) {
       updateFormError(formIds.password, 'error_simple_password')
-      errorsCount++
+      hasError = true
     }
-    errorsCount += setErrorOnEmptyFields(simpleValidationFields, 'error_fill_out_this_field')
-    return errorsCount === 0
+    hasError = setErrorOnEmptyFields(simpleValidationFields, 'error_fill_out_this_field')
+    return !hasError
   }
 
   return validateForm
diff --git a/src/features/Register/components/RegistrationStep/index.tsx b/src/features/Register/components/RegistrationStep/index.tsx
index 949caae2..1606ac60 100644
--- a/src/features/Register/components/RegistrationStep/index.tsx
+++ b/src/features/Register/components/RegistrationStep/index.tsx
@@ -139,7 +139,7 @@ const Registration = () => {
         <ButtonSolid type='submit'>
           <T9n t='next' />
         </ButtonSolid>
-        <Error><T9n t={readFormError(formIds.formError) || ''} /></Error>
+        <Error t={readFormError(formIds.formError) || ''} />
       </ButtonsBlock>
     </Form>
   )
diff --git a/src/requests/login.tsx b/src/requests/login.tsx
index f0d95c46..66cc98f7 100644
--- a/src/requests/login.tsx
+++ b/src/requests/login.tsx
@@ -15,12 +15,16 @@ const statusCodes = {
   INVALID_CREDENTIALS: 3,
   SUCCESS: 1,
   USER_REMOVED_OR_BLOCKED: 4,
-} as const
+}
 
-type StatusCodes = typeof statusCodes[keyof typeof statusCodes]
+const errorMessages = {
+  [statusCodes.EMAIL_NOT_FOUND]: 'error_invalid_email_or_password',
+  [statusCodes.INVALID_CREDENTIALS]: 'error_invalid_email_or_password',
+  [statusCodes.USER_REMOVED_OR_BLOCKED]: 'error_account_blocked',
+}
 
 type Response = {
-  _p_status: StatusCodes,
+  _p_status: number,
 }
 
 type Args = {
@@ -55,7 +59,7 @@ export const login = async ({
     if (token && _p_status === statusCodes.SUCCESS) {
       return Promise.resolve(token)
     }
-    return Promise.reject(_p_status)
+    return Promise.reject(errorMessages[_p_status])
   } catch (error) {
     return Promise.reject()
   }