Can't get Lightning to work with updated TBird

[crgauth]

I updated Thunderbird from V 38 to V 45.4
I am trying to update Lightning to version 4.7.4
Does show loaded.
Here is what I am getting in error console.

Timestamp: 11/2/2016 11:27:17 PM
Error: 1478143637625 addons.xpi ERROR Failed to move file C:\Users\Gauthier\AppData\Roaming\Thunderbird\Profiles\ovvabpmn.default\extensions\{e2fda1a4-762b-4020-b5ad-a41df1933103}\chrome\calendar-cs.jar to C:\Users\Gauthier\AppData\Roaming\Thunderbird\Profiles\ovvabpmn.default\extensions\trash\{e2fda1a4-762b-4020-b5ad-a41df1933103}\chrome: [Exception... "Component returned failure code: 0x80520015 (NS_ERROR_FILE_ACCESS_DENIED) [nsIFile.moveTo]" nsresult: "0x80520015 (NS_ERROR_FILE_ACCESS_DENIED)" location: "JS frame :: resource://gre/modules/addons/XPIProvider.jsm :: SafeInstallOperation.prototype._installFile :: line 421" data: no] Stack trace: SafeInstallOperation.prototype._installFile()@resource://gre/modules/addons/XPIProvider.jsm:421 < SafeInstallOperation.prototype._installDirEntry()@resource://gre/modules/addons/XPIProvider.jsm:502 < SafeInstallOperation.prototype._installDirectory()@resource://gre/modules/addons/XPIProvider.jsm:451 < SafeInstallOperation.prototype._installDirEntry()@resource://gre/modules/addons/XPIProvider.jsm:500 < SafeInstallOperation.prototype._installDirectory()@resource://gre/modules/addons/XPIProvider.jsm:451 < SafeInstallOperation.prototype._installDirEntry()@resource://gre/modules/addons/XPIProvider.jsm:500 < SafeInstallOperation.prototype.moveUnder()@resource://gre/modules/addons/XPIProvider.jsm:523 < .uninstallAddon()@resource://gre/modules/addons/XPIProvider.jsm:7809 < this.XPIProvider.processPendingFileChanges()@resource://gre/modules/addons/XPIProvider.jsm:3264 < this.XPIProvider.checkForChanges()@resource://gre/modules/addons/XPIProvider.jsm:3573 < this.XPIProvider.startup()@resource://gre/modules/addons/XPIProvider.jsm:2663 < callProvider()@resource://gre/modules/AddonManager.jsm:227 < _startProvider()@resource://gre/modules/AddonManager.jsm:833 < AddonManagerInternal.startup()@resource://gre/modules/AddonManager.jsm:1016 < this.AddonManagerPrivate.startup()@resource://gre/modules/AddonManager.jsm:2782 < amManager.prototype.observe()@resource://gre/components/addonManager.js:58
Source File: resource://gre/modules/Log.jsm
Line: 751

[Daifne]

Moving to the Calendar Forum