diff --git a/AppImage/components/login.tsx b/AppImage/components/login.tsx
index 4c539b3..0c6c4f9 100644
--- a/AppImage/components/login.tsx
+++ b/AppImage/components/login.tsx
@@ -189,16 +189,14 @@ export function Login({ onLogin }: LoginProps) {
                 <div className="bg-blue-500/10 border border-blue-500/20 rounded-lg p-3 flex items-start gap-2">
                   <Shield className="h-5 w-5 text-blue-500 flex-shrink-0 mt-0.5" />
                   <div>
-                    <p className="text-sm font-medium text-blue-500">Autenticación de Dos Factores</p>
-                    <p className="text-xs text-blue-500 mt-1">
-                      Introduce el código de 6 dígitos de tu aplicación de autenticación
-                    </p>
+                    <p className="text-sm font-medium text-blue-500">Two-Factor Authentication</p>
+                    <p className="text-xs text-blue-500 mt-1">Enter the 6-digit code from your authentication app</p>
                   </div>
                 </div>
 
                 <div className="space-y-2">
                   <Label htmlFor="totp-code" className="text-sm">
-                    Código de Autenticación
+                    Authentication Code
                   </Label>
                   <Input
                     id="totp-code"
@@ -213,7 +211,7 @@ export function Login({ onLogin }: LoginProps) {
                     autoFocus
                   />
                   <p className="text-xs text-muted-foreground text-center">
-                    También puedes usar un código de respaldo (formato: XXXX-XXXX)
+                    You can also use a backup code (format: XXXX-XXXX)
                   </p>
                 </div>
 
@@ -228,7 +226,7 @@ export function Login({ onLogin }: LoginProps) {
                   }}
                   className="w-full"
                 >
-                  Volver al inicio de sesión
+                  Back to login
                 </Button>
               </div>
             )}
diff --git a/AppImage/components/settings.tsx b/AppImage/components/settings.tsx
index b7f8e03..d098851 100644
--- a/AppImage/components/settings.tsx
+++ b/AppImage/components/settings.tsx
@@ -472,7 +472,7 @@ export function Settings() {
                   className="w-full bg-blue-500/10 hover:bg-blue-500/20 border-blue-500/20"
                 >
                   <Shield className="h-4 w-4 mr-2" />
-                  Habilitar Autenticación de Dos Factores
+                  Enable Two-Factor Authentication
                 </Button>
               )}
 
@@ -480,29 +480,29 @@ export function Settings() {
                 <div className="space-y-3">
                   <div className="bg-green-500/10 border border-green-500/20 rounded-lg p-3 flex items-center gap-2">
                     <CheckCircle className="h-5 w-5 text-green-500" />
-                    <p className="text-sm text-green-500 font-medium">2FA está activado</p>
+                    <p className="text-sm text-green-500 font-medium">2FA is enabled</p>
                   </div>
 
                   {!show2FADisable && (
                     <Button onClick={() => setShow2FADisable(true)} variant="outline" className="w-full">
                       <Shield className="h-4 w-4 mr-2" />
-                      Desactivar 2FA
+                      Disable 2FA
                     </Button>
                   )}
 
                   {show2FADisable && (
                     <div className="space-y-4 border border-border rounded-lg p-4">
-                      <h3 className="font-semibold">Desactivar Autenticación de Dos Factores</h3>
-                      <p className="text-sm text-muted-foreground">Introduce tu contraseña para confirmar</p>
+                      <h3 className="font-semibold">Disable Two-Factor Authentication</h3>
+                      <p className="text-sm text-muted-foreground">Enter your password to confirm</p>
 
                       <div className="space-y-2">
-                        <Label htmlFor="disable-2fa-password">Contraseña</Label>
+                        <Label htmlFor="disable-2fa-password">Password</Label>
                         <div className="relative">
                           <Lock className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
                           <Input
                             id="disable-2fa-password"
                             type="password"
-                            placeholder="Introduce tu contraseña"
+                            placeholder="Enter your password"
                             value={disable2FAPassword}
                             onChange={(e) => setDisable2FAPassword(e.target.value)}
                             className="pl-10"
@@ -513,7 +513,7 @@ export function Settings() {
 
                       <div className="flex gap-2">
                         <Button onClick={handleDisable2FA} variant="destructive" className="flex-1" disabled={loading}>
-                          {loading ? "Desactivando..." : "Desactivar 2FA"}
+                          {loading ? "Disabling..." : "Disable 2FA"}
                         </Button>
                         <Button
                           onClick={() => {
@@ -525,7 +525,7 @@ export function Settings() {
                           className="flex-1"
                           disabled={loading}
                         >
-                          Cancelar
+                          Cancel
                         </Button>
                       </div>
                     </div>
@@ -563,7 +563,7 @@ export function Settings() {
         open={show2FASetup}
         onClose={() => setShow2FASetup(false)}
         onSuccess={() => {
-          setSuccess("2FA habilitado correctamente!")
+          setSuccess("2FA enabled successfully!")
           checkAuthStatus()
         }}
       />
diff --git a/AppImage/components/two-factor-setup.tsx b/AppImage/components/two-factor-setup.tsx
index 57f1d97..9a4a9cb 100644
--- a/AppImage/components/two-factor-setup.tsx
+++ b/AppImage/components/two-factor-setup.tsx
@@ -121,9 +121,9 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
         <DialogHeader>
           <DialogTitle className="flex items-center gap-2">
             <Shield className="h-5 w-5 text-blue-500" />
-            Configurar Autenticación de Dos Factores
+            Setup Two-Factor Authentication
           </DialogTitle>
-          <DialogDescription>Añade una capa extra de seguridad a tu cuenta</DialogDescription>
+          <DialogDescription>Add an extra layer of security to your account</DialogDescription>
         </DialogHeader>
 
         {error && (
@@ -137,22 +137,22 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
           <div className="space-y-4">
             <div className="bg-blue-500/10 border border-blue-500/20 rounded-lg p-4">
               <p className="text-sm text-blue-500">
-                La autenticación de dos factores (2FA) añade una capa extra de seguridad requiriendo un código de tu
-                aplicación de autenticación además de tu contraseña.
+                Two-factor authentication (2FA) adds an extra layer of security by requiring a code from your
+                authentication app in addition to your password.
               </p>
             </div>
 
             <div className="space-y-2">
-              <h4 className="font-medium">Necesitarás:</h4>
+              <h4 className="font-medium">You will need:</h4>
               <ul className="text-sm text-muted-foreground space-y-1 list-disc list-inside">
-                <li>Una aplicación de autenticación (Google Authenticator, Authy, etc.)</li>
-                <li>Escanear un código QR o introducir una clave manualmente</li>
-                <li>Guardar códigos de respaldo de forma segura</li>
+                <li>An authentication app (Google Authenticator, Authy, etc.)</li>
+                <li>Scan a QR code or enter a key manually</li>
+                <li>Store backup codes securely</li>
               </ul>
             </div>
 
             <Button onClick={handleSetupStart} className="w-full bg-blue-500 hover:bg-blue-600" disabled={loading}>
-              {loading ? "Iniciando..." : "Comenzar Configuración"}
+              {loading ? "Starting..." : "Start Setup"}
             </Button>
           </div>
         )}
@@ -160,10 +160,8 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
         {step === 2 && (
           <div className="space-y-4">
             <div className="space-y-2">
-              <h4 className="font-medium">1. Escanea el código QR</h4>
-              <p className="text-sm text-muted-foreground">
-                Abre tu aplicación de autenticación y escanea este código QR
-              </p>
+              <h4 className="font-medium">1. Scan the QR code</h4>
+              <p className="text-sm text-muted-foreground">Open your authentication app and scan this QR code</p>
               {qrCode && (
                 <div className="flex justify-center p-4 bg-white rounded-lg">
                   <img src={qrCode || "/placeholder.svg"} alt="QR Code" width={200} height={200} className="rounded" />
@@ -172,14 +170,14 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
             </div>
 
             <div className="space-y-2">
-              <h4 className="font-medium">O introduce la clave manualmente:</h4>
+              <h4 className="font-medium">Or enter the key manually:</h4>
               <div className="flex gap-2">
                 <Input value={secret} readOnly className="font-mono text-sm" />
                 <Button
                   variant="outline"
                   size="icon"
                   onClick={() => copyToClipboard(secret, "secret")}
-                  title="Copiar clave"
+                  title="Copy key"
                 >
                   {copiedSecret ? <Check className="h-4 w-4 text-green-500" /> : <Copy className="h-4 w-4" />}
                 </Button>
@@ -187,10 +185,8 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
             </div>
 
             <div className="space-y-2">
-              <h4 className="font-medium">2. Introduce el código de verificación</h4>
-              <p className="text-sm text-muted-foreground">
-                Introduce el código de 6 dígitos que aparece en tu aplicación
-              </p>
+              <h4 className="font-medium">2. Enter the verification code</h4>
+              <p className="text-sm text-muted-foreground">Enter the 6-digit code that appears in your app</p>
               <Input
                 type="text"
                 placeholder="000000"
@@ -204,10 +200,10 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
 
             <div className="flex gap-2">
               <Button onClick={handleVerify} className="flex-1 bg-blue-500 hover:bg-blue-600" disabled={loading}>
-                {loading ? "Verificando..." : "Verificar y Activar"}
+                {loading ? "Verifying..." : "Verify and Enable"}
               </Button>
               <Button onClick={handleClose} variant="outline" className="flex-1 bg-transparent" disabled={loading}>
-                Cancelar
+                Cancel
               </Button>
             </div>
           </div>
@@ -218,30 +214,30 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
             <div className="bg-green-500/10 border border-green-500/20 rounded-lg p-4 flex items-start gap-2">
               <CheckCircle className="h-5 w-5 text-green-500 flex-shrink-0 mt-0.5" />
               <div>
-                <p className="font-medium text-green-500">2FA Activado Correctamente</p>
+                <p className="font-medium text-green-500">2FA Enabled Successfully</p>
                 <p className="text-sm text-green-500 mt-1">
-                  Tu cuenta ahora está protegida con autenticación de dos factores
+                  Your account is now protected with two-factor authentication
                 </p>
               </div>
             </div>
 
             <div className="space-y-2">
-              <h4 className="font-medium text-orange-500">Importante: Guarda tus códigos de respaldo</h4>
+              <h4 className="font-medium text-orange-500">Important: Save your backup codes</h4>
               <p className="text-sm text-muted-foreground">
-                Estos códigos te permitirán acceder a tu cuenta si pierdes acceso a tu aplicación de autenticación.
-                Guárdalos en un lugar seguro.
+                These codes will allow you to access your account if you lose access to your authentication app. Store
+                them in a safe place.
               </p>
 
               <div className="bg-muted/50 rounded-lg p-4 space-y-2">
                 <div className="flex justify-between items-center mb-2">
-                  <span className="text-sm font-medium">Códigos de Respaldo</span>
+                  <span className="text-sm font-medium">Backup Codes</span>
                   <Button variant="outline" size="sm" onClick={() => copyToClipboard(backupCodes.join("\n"), "codes")}>
                     {copiedCodes ? (
                       <Check className="h-4 w-4 text-green-500 mr-2" />
                     ) : (
                       <Copy className="h-4 w-4 mr-2" />
                     )}
-                    Copiar Todos
+                    Copy All
                   </Button>
                 </div>
                 <div className="grid grid-cols-2 gap-2">
@@ -255,7 +251,7 @@ export function TwoFactorSetup({ open, onClose, onSuccess }: TwoFactorSetupProps
             </div>
 
             <Button onClick={handleFinish} className="w-full bg-blue-500 hover:bg-blue-600">
-              Finalizar
+              Finish
             </Button>
           </div>
         )}
diff --git a/AppImage/scripts/auth_manager.py b/AppImage/scripts/auth_manager.py
index 2cd3c7b..7c45dee 100644
--- a/AppImage/scripts/auth_manager.py
+++ b/AppImage/scripts/auth_manager.py
@@ -319,12 +319,13 @@ def generate_totp_qr(username, secret):
         qr = segno.make(uri)
         
         # Convert to SVG string
-        buffer = io.StringIO()
+        buffer = io.BytesIO()
         qr.save(buffer, kind='svg', scale=4, border=2)
-        svg_content = buffer.getvalue()
+        svg_bytes = buffer.getvalue()
+        svg_content = svg_bytes.decode('utf-8')
         
         # Return as data URL
-        svg_base64 = base64.b64encode(svg_content.encode()).decode()
+        svg_base64 = base64.b64encode(svg_content.encode()).decode('utf-8')
         return f"data:image/svg+xml;base64,{svg_base64}"
     except Exception as e:
         print(f"Error generating QR code: {e}")