From f47359440fa952323fd4aad24161f826150b2d84 Mon Sep 17 00:00:00 2001
From: Olivier <olivier@raspot.in>
Date: Sun, 24 May 2026 11:05:01 +0200
Subject: [PATCH] Fix access denied when unloading default user registry hive

Force .NET garbage collection before reg.exe unload to release
open RegistryKey handles left by PowerShell registry cmdlets.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 powershell/Remove-BuiltInApps.ps1 | 2 ++
 1 file changed, 2 insertions(+)

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) {