diff --git a/app/assets/js/authmanager.js b/app/assets/js/authmanager.js
index 4aa1b783..5ec85289 100644
--- a/app/assets/js/authmanager.js
+++ b/app/assets/js/authmanager.js
@@ -13,7 +13,7 @@ const ConfigManager          = require('./configmanager')
 const { LoggerUtil }         = require('helios-core')
 const { RestResponseStatus } = require('helios-core/common')
 const { MojangRestAPI, mojangErrorDisplayable, MojangErrorCode } = require('helios-core/mojang')
-const { MicrosoftAuth }      = require('helios-core/microsoft')
+const { MicrosoftAuth, microsoftErrorDisplayable, MicrosoftErrorCode } = require('helios-core/microsoft')
 const { AZURE_CLIENT_ID }    = require('./ipcconstants')
 
 const log = LoggerUtil.getLogger('AuthManager')
@@ -71,48 +71,48 @@ const AUTH_MODE = { FULL: 0, MS_REFRESH: 1, MC_REFRESH: 2 }
  * @returns An object with all auth data. AccessToken object will be null when mode is MC_REFRESH.
  */
 async function fullMicrosoftAuthFlow(entryCode, authMode) {
+    try {
 
-    let accessTokenRaw
-    let accessToken
-    if(authMode !== AUTH_MODE.MC_REFRESH) {
-        const accessTokenResponse = await MicrosoftAuth.getAccessToken(entryCode, authMode === AUTH_MODE.MS_REFRESH, AZURE_CLIENT_ID)
-        if(accessTokenResponse.responseStatus === RestResponseStatus.ERROR) {
-            // TODO Fail.
-            return // TODO
+        let accessTokenRaw
+        let accessToken
+        if(authMode !== AUTH_MODE.MC_REFRESH) {
+            const accessTokenResponse = await MicrosoftAuth.getAccessToken(entryCode, authMode === AUTH_MODE.MS_REFRESH, AZURE_CLIENT_ID)
+            if(accessTokenResponse.responseStatus === RestResponseStatus.ERROR) {
+                return Promise.reject(microsoftErrorDisplayable(accessTokenResponse.microsoftErrorCode))
+            }
+            accessToken = accessTokenResponse.data
+            accessTokenRaw = accessToken.access_token
+        } else {
+            accessTokenRaw = entryCode
         }
-        accessToken = accessTokenResponse.data
-        accessTokenRaw = accessToken.access_token
-    } else {
-        accessTokenRaw = entryCode
-    }
-    
-    const xblResponse = await MicrosoftAuth.getXBLToken(accessTokenRaw)
-    if(xblResponse.responseStatus === RestResponseStatus.ERROR) {
-        // TODO Fail.
-        return // TODO
-    }
-    const xstsResonse = await MicrosoftAuth.getXSTSToken(xblResponse.data)
-    if(xstsResonse.responseStatus === RestResponseStatus.ERROR) {
-        // TODO Fail.
-        return // TODO
-    }
-    const mcTokenResponse = await MicrosoftAuth.getMCAccessToken(xstsResonse.data)
-    if(mcTokenResponse.responseStatus === RestResponseStatus.ERROR) {
-        // TODO Fail.
-        return // TODO
-    }
-    const mcProfileResponse = await MicrosoftAuth.getMCProfile(mcTokenResponse.data.access_token)
-    if(mcProfileResponse.responseStatus === RestResponseStatus.ERROR) {
-        // TODO Fail.
-        return // TODO
-    }
-    return {
-        accessToken,
-        accessTokenRaw,
-        xbl: xblResponse.data,
-        xsts: xstsResonse.data,
-        mcToken: mcTokenResponse.data,
-        mcProfile: mcProfileResponse.data
+        
+        const xblResponse = await MicrosoftAuth.getXBLToken(accessTokenRaw)
+        if(xblResponse.responseStatus === RestResponseStatus.ERROR) {
+            return Promise.reject(microsoftErrorDisplayable(xblResponse.microsoftErrorCode))
+        }
+        const xstsResonse = await MicrosoftAuth.getXSTSToken(xblResponse.data)
+        if(xstsResonse.responseStatus === RestResponseStatus.ERROR) {
+            return Promise.reject(microsoftErrorDisplayable(xstsResonse.microsoftErrorCode))
+        }
+        const mcTokenResponse = await MicrosoftAuth.getMCAccessToken(xstsResonse.data)
+        if(mcTokenResponse.responseStatus === RestResponseStatus.ERROR) {
+            return Promise.reject(microsoftErrorDisplayable(mcTokenResponse.microsoftErrorCode))
+        }
+        const mcProfileResponse = await MicrosoftAuth.getMCProfile(mcTokenResponse.data.access_token)
+        if(mcProfileResponse.responseStatus === RestResponseStatus.ERROR) {
+            return Promise.reject(microsoftErrorDisplayable(mcProfileResponse.microsoftErrorCode))
+        }
+        return {
+            accessToken,
+            accessTokenRaw,
+            xbl: xblResponse.data,
+            xsts: xstsResonse.data,
+            mcToken: mcTokenResponse.data,
+            mcProfile: mcProfileResponse.data
+        }
+    } catch(err) {
+        log.error(err)
+        return Promise.reject(microsoftErrorDisplayable(MicrosoftErrorCode.UNKNOWN))
     }
 }
 
diff --git a/app/assets/js/scripts/landing.js b/app/assets/js/scripts/landing.js
index 41021f0a..c15896c8 100644
--- a/app/assets/js/scripts/landing.js
+++ b/app/assets/js/scripts/landing.js
@@ -10,7 +10,7 @@ const { MojangRestAPI, getServerStatus }     = require('helios-core/mojang')
 // Internal Requirements
 const DiscordWrapper          = require('./assets/js/discordwrapper')
 const ProcessBuilder          = require('./assets/js/processbuilder')
-const { RestResponseStatus } = require('helios-core/common')
+const { RestResponseStatus, isDisplayableError } = require('helios-core/common')
 
 // Launch Elements
 const launch_content          = document.getElementById('launch_content')
diff --git a/app/assets/js/scripts/login.js b/app/assets/js/scripts/login.js
index 4bc79b9d..724f09c4 100644
--- a/app/assets/js/scripts/login.js
+++ b/app/assets/js/scripts/login.js
@@ -214,13 +214,26 @@ loginButton.addEventListener('click', () => {
         }, 1000)
     }).catch((displayableError) => {
         loginLoading(false)
-        setOverlayContent(displayableError.title, displayableError.desc, Lang.queryJS('login.tryAgain'))
+
+        let actualDisplayableError
+        if(isDisplayableError(displayableError)) {
+            msftLoginLogger.error('Error while logging in.', displayableError)
+            actualDisplayableError = displayableError
+        } else {
+            // Uh oh.
+            msftLoginLogger.error('Unhandled error during login.', displayableError)
+            actualDisplayableError = {
+                title: 'Unknown Error During Login',
+                desc: 'An unknown error has occurred. Please see the console for details.'
+            }
+        }
+
+        setOverlayContent(actualDisplayableError.title, actualDisplayableError.desc, Lang.queryJS('login.tryAgain'))
         setOverlayHandler(() => {
             formDisabled(false)
             toggleOverlay(false)
         })
         toggleOverlay(true)
-        loggerLogin.log('Error while logging in.', displayableError)
     })
 
 })
\ No newline at end of file
diff --git a/app/assets/js/scripts/settings.js b/app/assets/js/scripts/settings.js
index 119c026b..7250dd37 100644
--- a/app/assets/js/scripts/settings.js
+++ b/app/assets/js/scripts/settings.js
@@ -397,6 +397,29 @@ ipcRenderer.on(MSFT_OPCODE.REPLY_LOGIN, (_, ...arguments_) => {
                     prepareSettings()
                 })
             })
+                .catch((displayableError) => {
+
+                    let actualDisplayableError
+                    if(isDisplayableError(displayableError)) {
+                        msftLoginLogger.error('Error while logging in.', displayableError)
+                        actualDisplayableError = displayableError
+                    } else {
+                        // Uh oh.
+                        msftLoginLogger.error('Unhandled error during login.', displayableError)
+                        actualDisplayableError = {
+                            title: 'Unknown Error During Login',
+                            desc: 'An unknown error has occurred. Please see the console for details.'
+                        }
+                    }
+
+                    switchView(getCurrentView(), viewOnClose, 500, 500, () => {
+                        setOverlayContent(actualDisplayableError.title, actualDisplayableError.desc, Lang.queryJS('login.tryAgain'))
+                        setOverlayHandler(() => {
+                            toggleOverlay(false)
+                        })
+                        toggleOverlay(true)
+                    })
+                })
         }
     }
 })