diff --git a/powershell/Invoke-ActivateAlteryx.ps1 b/powershell/Invoke-ActivateAlteryx.ps1
index 66bf3fa..a7726e0 100644
--- a/powershell/Invoke-ActivateAlteryx.ps1
+++ b/powershell/Invoke-ActivateAlteryx.ps1
@@ -16,7 +16,7 @@ function Invoke-ActivateAlteryx {
         File name:      Invoke-ActivateAlteryx.ps1
         Author:         Florian Carrier
         Creation date:  2021-07-05
-        Last modified:  2024-10-08
+        Last modified:  2024-11-20
 
         .LINK
         https://www.powershellgallery.com/packages/PSAYX
@@ -79,7 +79,8 @@ function Invoke-ActivateAlteryx {
                         $ActivateProcess = Update-ProcessObject -ProcessObject $ActivateProcess -Status "Failed" -ErrorCount 1 -ExitCode 1
                         return $ActivateProcess
                     }
-                    $Properties.LicenseKey = (ConvertFrom-SecureString -SecureString (ConvertTo-SecureString -String (Get-Content -Path $LicenseFilePath)) -AsPlainText) -split '[ ,]+'
+                    # Fetch and decrypt license keys
+                    $Properties.LicenseKey = ([System.Runtime.InteropServices.Marshal]::PtrToStringAuto([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR((ConvertTo-SecureString -String (Get-Content -Path $LicenseFilePath))))) -split '[ ,]+'
                 }
                 Write-Log -Type "DEBUG" -Message $Properties.LicenseKey
                 # Count keys
diff --git a/powershell/Invoke-DeactivateAlteryx.ps1 b/powershell/Invoke-DeactivateAlteryx.ps1
index 79fc2ea..4690a27 100644
--- a/powershell/Invoke-DeactivateAlteryx.ps1
+++ b/powershell/Invoke-DeactivateAlteryx.ps1
@@ -16,7 +16,7 @@ function Invoke-DeactivateAlteryx {
         File name:      Invoke-DeactivateAlteryx.ps1
         Author:         Florian Carrier
         Creation date:  2021-11-20
-        Last modified:  2024-10-08
+        Last modified:  2024-11-20
 
         .LINK
         https://www.powershellgallery.com/packages/PSAYX
@@ -106,7 +106,8 @@ function Invoke-DeactivateAlteryx {
                                 $DeactivateProcess = Update-ProcessObject -ProcessObject $DeactivateProcess -Status "Failed" -ErrorCount 1 -ExitCode 1
                                 return $DeactivateProcess
                             } else {
-                                $Properties.LicenseKey = (ConvertFrom-SecureString -SecureString (ConvertTo-SecureString -String (Get-Content -Path $LicenseFilePath)) -AsPlainText) -split '[ ,]+'
+                                # Fetch and decrypt license keys
+                                $Properties.LicenseKey = ([System.Runtime.InteropServices.Marshal]::PtrToStringAuto([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR((ConvertTo-SecureString -String (Get-Content -Path $LicenseFilePath))))) -split '[ ,]+'
                             }
                         }
                         Write-Log -Type "DEBUG" -Message $Properties.LicenseKey