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Network Drives missing in Program
First DraftLikelihood of occurrence: Common
Cause of error: Mapped drives disabled whilst running application as Administrator
Fix for issue:
FIX
We believe the fix for the issue would be running the script below, make sure to Run as Admin
powershell
Set-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System" -Name "EnableLinkedConnections" -Value 0x00000001
Copy the above script on the affected machine running Thunderbird or any other problem where mapped drives cannot be seen, once it's run make sure to reboot the pc, then run thunderbird as admin.
As of windows 10, the registry key HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections
defaults to 0, disabling mapped drives that were mapped without elevation in elevated sessions