Application Basics

   Name: Thunderbird
   Version: 45.1.1
   User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1
   Profile Folder: Show in Finder
   Application Build ID: 20160527062949
   Enabled Plugins: about:plugins
   Build Configuration: about:buildconfig
   Memory Use: about:memory

 Mail and News Accounts
   account1:
     INCOMING: account1, , (imap) imap.gmail.com:993, SSL, OAuth2
     OUTGOING: , smtp.gmail.com:465, SSL, OAuth2, true

   account2:
     INCOMING: account2, , (none) Local Folders, plain, passwordCleartext

 Crash Reports

 Extensions
   Lightning, 4.7.1.1, true, {e2fda1a4-762b-4020-b5ad-a41df1933103}

 Important Modified Preferences

   Name: Value

     browser.cache.disk.capacity: 358400
     browser.cache.disk.filesystem_reported: 1
     browser.cache.disk.smart_size_cached_value: 358400
     browser.cache.disk.smart_size.first_run: false
     browser.cache.disk.smart_size.use_old_max: false
     extensions.lastAppVersion: 45.1.1
     gfx.blacklist.direct2d: 3
     gfx.crash-guard.glcontext.appVersion: 45.1.1
     gfx.crash-guard.glcontext.deviceID: 0x0166
     gfx.crash-guard.status.glcontext: 2
     mail.openMessageBehavior.version: 1
     mail.spotlight.firstRunDone: true
     mailnews.database.global.datastore.id: 2a1bf52e-2432-004e-8fcc-79f1f57da85
     network.cookie.prefsMigrated: true
     network.predictor.cleaned-up: true
     places.history.expiration.transient_current_max_pages: 104858

 Graphics

     Vendor ID: 0x8086
     Device ID: 0x0166
     WebGL Renderer: Intel Inc. -- Intel HD Graphics 4000 OpenGL Engine -- 2.1 INTEL-10.14.58
     GPU Accelerated Windows: 0

     AzureCanvasBackend: skia
     AzureSkiaAccelerated: 1
     AzureFallbackCanvasBackend: none
     AzureContentBackend: quartz

 JavaScript

 Incremental GC: 1

 Accessibility

   Activated: 0
   Prevent Accessibility: 0

 Library Versions

     Expected minimum version
     Version in use

     NSPR
     4.12
     4.12

     NSS
     3.21.1 Basic ECC
     3.21.1 Basic ECC

     NSS Util
     3.21.1
     3.21.1

     NSS SSL
     3.21.1 Basic ECC
     3.21.1 Basic ECC

     NSS S/MIME
     3.21.1 Basic ECC
     3.21.1 Basic ECC

Here is my troubleshooting information. Please help!! Application Basics Name: Thunderbird Version: 45.1.1 User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 Profile Folder: Show in Finder Application Build ID: 20160527062949 Enabled Plugins: about:plugins Build Configuration: about:buildconfig Memory Use: about:memory Mail and News Accounts account1: INCOMING: account1, , (imap) imap.gmail.com:993, SSL, OAuth2 OUTGOING: , smtp.gmail.com:465, SSL, OAuth2, true account2: INCOMING: account2, , (none) Local Folders, plain, passwordCleartext Crash Reports Extensions Lightning, 4.7.1.1, true, {e2fda1a4-762b-4020-b5ad-a41df1933103} Important Modified Preferences Name: Value browser.cache.disk.capacity: 358400 browser.cache.disk.filesystem_reported: 1 browser.cache.disk.smart_size_cached_value: 358400 browser.cache.disk.smart_size.first_run: false browser.cache.disk.smart_size.use_old_max: false extensions.lastAppVersion: 45.1.1 gfx.blacklist.direct2d: 3 gfx.crash-guard.glcontext.appVersion: 45.1.1 gfx.crash-guard.glcontext.deviceID: 0x0166 gfx.crash-guard.status.glcontext: 2 mail.openMessageBehavior.version: 1 mail.spotlight.firstRunDone: true mailnews.database.global.datastore.id: 2a1bf52e-2432-004e-8fcc-79f1f57da85 network.cookie.prefsMigrated: true network.predictor.cleaned-up: true places.history.expiration.transient_current_max_pages: 104858 Graphics Vendor ID: 0x8086 Device ID: 0x0166 WebGL Renderer: Intel Inc. -- Intel HD Graphics 4000 OpenGL Engine -- 2.1 INTEL-10.14.58 GPU Accelerated Windows: 0 AzureCanvasBackend: skia AzureSkiaAccelerated: 1 AzureFallbackCanvasBackend: none AzureContentBackend: quartz JavaScript Incremental GC: 1 Accessibility Activated: 0 Prevent Accessibility: 0 Library Versions Expected minimum version Version in use NSPR 4.12 4.12 NSS 3.21.1 Basic ECC 3.21.1 Basic ECC NSS Util 3.21.1 3.21.1 NSS SSL 3.21.1 Basic ECC 3.21.1 Basic ECC NSS S/MIME 3.21.1 Basic ECC 3.21.1 Basic ECC