LastPass Authenticator app not working? crashes or has problems?

LastPass Authenticator Status

Published by on 2023-12-08

LastPass Authenticator offers effortless two-factor authentication for your
LastPass account and other supported apps. With one-tap verification and secure
cloud backup, LastPass Authenticator gives you all the security, without any of
the frustration.


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problems reported in the last 24 hours

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Most reported problems


Reported Issues: 23 Comments

By Harold Lehmann   11 months ago


Authenticator tries to send SMS code: “wheel” turns, but no message. Apple iPhone.

By Christopher Patterson   1 year ago


I have had LastPass for years. I have it on my laptop and my cell phone. On my phone, on the rare occasion that I have been asked to authenticate my LastPass app on my iPhone, I have always used "Alternative Multifactor Verification." This sends an SMS code to my cell phone. For whatever reason, it is not sending an SMS code as a text message to my iPhone. Can you please help me fix this? Thanks, Chris Patterson

By Andy   1 year ago


lastPass Authenticator message ,"error please restart the app" how does one restart the app?

By Bryan Ressler   1 year ago


The iOS LastPass Authenticator app immediate fails on startup, every time, with the message, "Error - Please restart the app." However, restarting the app only re-plays the error message. I am tempted to uninstall and reinstall the LPAuth app, but I have a lot of TFAs in there that I need to not lose. QUESTION: If I reinstall LPAuth, will it forget all my TFAs? Or are they preserved across a re-install? Hope you can help. This is a *fundamental failure* of your tech, and it's very, very disconcerting. Info: iPhone13 Pro, iOS 15.6.1

By Eddo   1 year ago


Every time I open or re-open the autheticator, a black "smoke glass" appears and closes after 1 second. Rebooting the iPhone is no solution. This problem seems to have started after the update of ios to 15.6.1 . Are there more users with these problems?

By Charlie   1 year ago


Upon launching or re-launching the app, I get the error message, "ERROR Please restart the app." Force quit and re-launching the app does not help, nor does restarting the phone. This has only happened since iOS 15.6, but I'm not sure it happened every time since 15.6.

By Steve Fryatt   1 year ago


I have the authenticator app on iphone. It never works (authentication failed - i think - is the error message so i always have to use the text message alternative.)

By Sergii Puliaiev   1 year ago


When I try to login to the Lastpass Authenticator app, it asks me to login to my Last Pass Account. I do that and then there is no instruction as to what to do next. Please help.

By Gary Marinko   1 year ago


When the last pass authenticator screen on comes up on my firefox browser I can put the code in but when I press the button nothing happens. I have to relogin with the master password and then put in the authenticator code for it to work.

By Allan Boice   1 year ago


To make this work each time, I must click 'Having Trouble?' button then 'Send SMS text'. I did not have to do this on my old phone. When I try to login to the Lastpass Authenticator app, it asks me to login to my Last Pass Account. I do that and then there is no instruction as to what to do next. Also, Lastpass Authenticator is not an option in the Multifactor Option list. Please help.

By Molly Moench   1 year ago


Authenticating with the app has literally never worked. It says “authentication failed,” and you can’t even get to the alternate option of a code without force quitting the app!

By Frank Walker   1 year ago


I open LastPass, put in password, window opens for code and sends message to phone. My phone message reads, 'Error, Authentication Error.'

By Marty   1 year ago


Clicking accept on the Lastpass authenticator app does nothing (iPhone XS/iOS 15.5). Have to resort to using SMS code to be able to log in.

By Terry J   1 year ago


Clicking accept on the Lastpass authenticator app does nothing (iPhone 13 Pro Max/iOS 15.5). Have to resort to using SMS code to be able to log in.

By Ann Castro   1 year ago


on the app I press authenticate. It comes back with a message that say error. I then have to go to my laptop and initiate a code being sent per SMS. Completely annoying and useless. Especially considering I am paying for this service.

By Kirill   1 year ago


My iPhone application just crashes on every launch with the message - "Please restart the app". Restarting doesn't solve the problem!

By Melissa Partin   1 year ago


Authenticator app says I'm in but then last pass does not open.

By martin   1 year ago


Still not working! This is really poor for a paid service!!!! Unacceptable

By Martin   1 year ago


iphone 12 pro max IOS 15.5 App just crashes on launch, message: ERROR Please restrart the app Continually happens

By Frank Toal   1 year ago


Crashes after IOS 15.5 update.

By Gore Halling   1 year ago


New iPhone, LastPass Authenticator says "Error - Please restart the app". Tried reinstalling it, but still the same error message. Still works on my old phone.

By Ken Hillyer   1 year ago


I lost my phone and restored from backup. Now the LP Authenticator will not open, says “Error - Please restart the app”. I can’t get into ANYTHING I set up for 2FA using this app.

By Melissa Hansen   2 years ago


No longer responding to touch id on appli iPhone. Tried to reload app and deleted the accounts using 2 factor. No way to restore because it was too big a pain in the ass to use 2 factor to sign in on my laptop every damn time I wanted to access my passwords. Oh well. Will find another, better authenticator to rely on.


Common dislikes about LastPass Authenticator app

- Nasty bug surfaced which deletes all of your accounts stored in the authenticator

- Sometimes, even with cloud backup enabled, can't restore from that backup

- LP engineers are unable to restore the data if your data is deleted from the cloud

- Settings button disappeared from the app

- Endless loop of needing to reconnect LastPass to Authenticator

- No access to financial accounts that require Authenticator for five days while a manual identity verification takes place



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Developer: LogMeIn, Inc.

E-Mail: [email protected]

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Developer: LogMeIn, Inc.

E-Mail: [email protected]

Website: Visit LogMeIn, Inc. Website



About this app

LastPass Authenticator offers effortless two-factor authentication for your LastPass account and other supported apps.  Safeguard your LastPass account by requiring two-factor authentication codes when signing in.  You can even mark a device as “trusted”, so you won’t be prompted for codes on that device while your account remains protected by two-factor authentication. 1.  With one-tap verification and secure cloud backup, LastPass Authenticator gives you all the security, without any of the frustration.  Two-factor authentication improves your digital security by protecting your account with an additional login step.  Even if your password is compromised, your account can’t be accessed without the two-factor authentication code.  In “Multifactor Options”, edit LastPass Authenticator and view the barcode. 4.  Download LastPass Authenticator to your mobile device. 2.  Scan the barcode with the LastPass Authenticator app.  Log in to LastPass on your computer and launch “Account Settings” from your vault. 3.  LastPass Authenticator can also be turned on for any service or app that supports Google Authenticator or TOTP-based two-factor authentication. 1. 3. 



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