diff --git a/powershell/Remove-BuiltInApps.ps1 b/powershell/Remove-BuiltInApps.ps1
index 5c04e06..fc5739d 100644
--- a/powershell/Remove-BuiltInApps.ps1
+++ b/powershell/Remove-BuiltInApps.ps1
@@ -318,6 +318,8 @@ function Set-DefaultUserProfileDefaults {
     finally {
         if ($HiveWasLoaded) {
             Write-Host "Unloading default user registry hive..." -ForegroundColor Cyan
+            [GC]::Collect()
+            [GC]::WaitForPendingFinalizers()
             & reg.exe unload "HKU\DefaultUser" | Out-Null
 
             if ($LASTEXITCODE -ne 0) {