Windows Agent 8.3.1 Release Notes

3 min. readlast update: 12.11.2023

Deployed Live on 11/29/2023

Known Issue: Syncplicity preventing ThreatLocker machines from checking in to the portal

New Features

  • The default value for \device\syncplicity will now be null, and clients will need to set their preferred value
  • When the EnableLUA registry key is changed, and a computer needs a reboot, a flag will now be visible on the Computers Page 
  • Override codes now also apply to Storage Control policies. If a ThreatLocker Override is run, all Storage Control denies will be permitted. 
  • Configuration Manager now has the option to enable Crash Dump complete file collection 


  • Updates and improvements to the UAC prompt and the ThreatLocker Tray
  • Improvements to how the Monitor PowerShell option is applied to the endpoint
  • The error log folder located in the application folder will now clear logs older than 30 days 
  • Improvements to the handling of Global Configuration Manager Policies
  • Added the support of multiple wildcards within the registry path for Ringfencing exclusions 
  • Improved the way hostname is populated to show more than 15 characters 
  • Improved logging in the Check Errors section of the Computer's tab, including starting, stopping, and restarting of the service 
  • Increased several API timeouts 

Bugs and Fixes

  • Resolved an issue with the ThreatLocker driver getting stuck in a restart cycle related to the default value for disabled devices 
  • Resolved an issue causing excessive logging of the FileInfo and FileInstall in the System Audit 
  • Resolved an issue in which opening multiple instances of the real-time audit caused high memory usage 
  • Resolved an issue that caused an API to stall when changing the page size on the Applications page 
  • Resolved an issue that caused an API to stall when changing the page size on the Applications page 
  • Resolved an issue where Network Control caused high CPU when monitoring outbound traffic 
  • Resolved an excessive logging issue in the Unified Audit related to the ThreatLocker Ops policy for Log All Logon Events 
  • Resolved an issue with conflicting serial number lengths based on differences in Windows 7 and Windows 10 
  • Resolved an issue where a client was unable to RDP into his machine by adding IPSec support 
  • Resolved an issue with Chrome extensions not being blocked as required 
  • Resolved an issue with the Disable UPnP policy in Configuration Manager 
  • Resolved an issue that would block a new USB request if there is already a pending, different, USB request in the system 
  • Resolved an issue with the UAC where the {Username}@{Domain} format would fail authentication 
  • Resolved an issue from 7.6 related to Windows programs that only work properly when run by an administrator, like the Windows Media Creation Tool 
  • Resolved an issue from 8.0 where the NetworkPendingQueueSize in the registry was not dropping as expected 
  • Resolved an issue in which opening multiple instances of the realtime audit caused high memory usage
  •  Resolved an issue for Legacy ThridWall users which affected the excessive failed logon events policy 
  • Resolved an issue with built-in SDHC card readers and collecting S/N from SD cards 
  • Resolved a rare issue where the Windows API would not read an entire file
  • Resolved an issue with the Configuration Manager policy to Disable NetBios related to network adapter settings 
  • Resolved an issue where default ThreatLocker branding did not apply when clients had not implemented custom branding 
  • Resolved an issue where ProxyURLs were using port 443 

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