160 lines
7.7 KiB
PowerShell
160 lines
7.7 KiB
PowerShell
# Fix OneDrive Thumbnail Override - Restore Local Thumbnails
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# This script disables OneDrive's cloud thumbnail providers that override custom thumbnails
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Write-Host "🎯 Fixing OneDrive Thumbnail Override Issue..." -ForegroundColor Cyan
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Write-Host "This will restore priority to your locally-generated thumbnails." -ForegroundColor Yellow
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# Check if running as administrator
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if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
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Write-Host "❌ This script requires administrator privileges. Please run as administrator." -ForegroundColor Red
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exit 1
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}
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# 1. Disable OneDrive Files On-Demand thumbnail override
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Write-Host "🔧 Disabling OneDrive Files On-Demand thumbnail override..." -ForegroundColor Green
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try {
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# User-level OneDrive policies
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if (!(Test-Path "HKCU:\SOFTWARE\Policies\Microsoft\OneDrive")) {
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New-Item -Path "HKCU:\SOFTWARE\Policies\Microsoft\OneDrive" -Force | Out-Null
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}
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Set-ItemProperty -Path "HKCU:\SOFTWARE\Policies\Microsoft\OneDrive" -Name "DisableCloudThumbnails" -Value 1 -Type DWord
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# Machine-level OneDrive policies
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if (!(Test-Path "HKLM:\SOFTWARE\Policies\Microsoft\OneDrive")) {
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New-Item -Path "HKLM:\SOFTWARE\Policies\Microsoft\OneDrive" -Force | Out-Null
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}
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Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\OneDrive" -Name "DisableCloudThumbnails" -Value 1 -Type DWord
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Write-Host "✅ OneDrive thumbnail override disabled" -ForegroundColor Green
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} catch {
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Write-Host "⚠️ Warning: Could not set OneDrive policies: $($_.Exception.Message)" -ForegroundColor Yellow
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}
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# 2. Disable cloud files thumbnail provider
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Write-Host "🔧 Disabling cloud files thumbnail provider..." -ForegroundColor Green
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try {
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# This is the key provider that overrides local thumbnails
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$cloudProviderPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ThumbnailProviders\{E357FCCD-A995-4576-B01F-234630154E96}"
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if (Test-Path $cloudProviderPath) {
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Remove-Item -Path $cloudProviderPath -Force -Recurse
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Write-Host "✅ Cloud thumbnail provider removed" -ForegroundColor Green
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} else {
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Write-Host "ℹ️ Cloud thumbnail provider not found (may already be disabled)" -ForegroundColor Blue
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}
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} catch {
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Write-Host "⚠️ Warning: Could not remove cloud thumbnail provider: $($_.Exception.Message)" -ForegroundColor Yellow
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}
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# 3. Set local thumbnail preferences
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Write-Host "🔧 Configuring local thumbnail preferences..." -ForegroundColor Green
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try {
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# Ensure local thumbnails are enabled
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if (!(Test-Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced")) {
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New-Item -Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" -Force | Out-Null
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}
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Set-ItemProperty -Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" -Name "IconsOnly" -Value 0 -Type DWord
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Set-ItemProperty -Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" -Name "DisableThumbnailsOnNetworkFolders" -Value 0 -Type DWord
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# Add custom registry value to prefer local thumbnails
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Set-ItemProperty -Path "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" -Name "UseLocalThumbnailProvider" -Value 1 -Type DWord
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Write-Host "✅ Local thumbnail preferences configured" -ForegroundColor Green
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} catch {
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Write-Host "⚠️ Warning: Could not set local thumbnail preferences: $($_.Exception.Message)" -ForegroundColor Yellow
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}
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# 4. Disable OneDrive shell icon overlays (these can interfere with thumbnails)
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Write-Host "🔧 Disabling OneDrive shell overlays..." -ForegroundColor Green
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$overlayPaths = @(
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive1",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive2",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive3",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive4",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive5",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive6",
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"HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers\OneDrive7"
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)
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$overlaysRemoved = 0
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foreach ($overlayPath in $overlayPaths) {
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try {
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if (Test-Path $overlayPath) {
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Remove-Item -Path $overlayPath -Force -Recurse
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$overlaysRemoved++
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}
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} catch {
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Write-Host "⚠️ Warning: Could not remove overlay $overlayPath" -ForegroundColor Yellow
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}
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}
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Write-Host "✅ Removed $overlaysRemoved OneDrive shell overlays" -ForegroundColor Green
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# 5. Clear thumbnail cache to force regeneration
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Write-Host "🔧 Clearing thumbnail cache to force regeneration..." -ForegroundColor Green
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try {
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# Stop Explorer process
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Stop-Process -Name "explorer" -Force -ErrorAction SilentlyContinue
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Start-Sleep -Seconds 2
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# Clear thumbnail cache
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$thumbCachePath = "$env:LOCALAPPDATA\Microsoft\Windows\Explorer"
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$thumbCacheFiles = Get-ChildItem -Path $thumbCachePath -Filter "thumbcache_*.db" -ErrorAction SilentlyContinue
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foreach ($file in $thumbCacheFiles) {
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try {
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Remove-Item -Path $file.FullName -Force
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} catch {
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Write-Host "⚠️ Could not remove $($file.Name)" -ForegroundColor Yellow
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}
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}
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# Restart Explorer
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Start-Process -FilePath "explorer.exe"
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Start-Sleep -Seconds 3
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Write-Host "✅ Thumbnail cache cleared and Explorer restarted" -ForegroundColor Green
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} catch {
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Write-Host "⚠️ Warning: Issues clearing thumbnail cache: $($_.Exception.Message)" -ForegroundColor Yellow
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Write-Host "🔄 Please restart Windows Explorer manually" -ForegroundColor Blue
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}
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# 6. Prevent automatic thumbnail cache deletion
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Write-Host "🔧 Preventing Windows from auto-deleting thumbnail cache..." -ForegroundColor Green
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try {
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# Disable thumbnail cache auto-cleanup in Disk Cleanup
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$autorunKey = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Thumbnail Cache"
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if (Test-Path $autorunKey) {
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Set-ItemProperty -Path $autorunKey -Name "Autorun" -Value 0 -Type DWord
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}
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# Also disable for WOW64 on 64-bit systems
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$autorunKeyWow64 = "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Thumbnail Cache"
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if (Test-Path $autorunKeyWow64) {
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Set-ItemProperty -Path $autorunKeyWow64 -Name "Autorun" -Value 0 -Type DWord
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}
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Write-Host "✅ Thumbnail cache auto-deletion disabled" -ForegroundColor Green
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} catch {
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Write-Host "⚠️ Warning: Could not disable thumbnail cache auto-deletion: $($_.Exception.Message)" -ForegroundColor Yellow
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}
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Write-Host ""
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Write-Host "🎉 OneDrive thumbnail override fix complete!" -ForegroundColor Green
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Write-Host ""
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Write-Host "📋 What was changed:" -ForegroundColor Cyan
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Write-Host " ✓ Disabled OneDrive cloud thumbnail providers" -ForegroundColor White
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Write-Host " ✓ Removed cloud files thumbnail provider" -ForegroundColor White
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Write-Host " ✓ Set local thumbnail preferences" -ForegroundColor White
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Write-Host " ✓ Disabled OneDrive shell overlays" -ForegroundColor White
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Write-Host " ✓ Cleared and regenerated thumbnail cache" -ForegroundColor White
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Write-Host " ✓ Prevented automatic thumbnail cache deletion" -ForegroundColor White
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Write-Host ""
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Write-Host "🔄 Please restart your computer for all changes to take effect." -ForegroundColor Yellow
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Write-Host "📁 Your custom thumbnails should now have priority over OneDrive's generic icons!" -ForegroundColor Green |