This operation is focused on rebuild thumbnail cache so the result stays precise instead of mixing unrelated tweaks.
Rebuild thumbnail cache is written like a practical guide instead of a thin script page, so you can understand what the issue usually means, why the suggested actions exist, and how to back out safely if the result is not what you wanted.
Rebuild the Windows thumbnail cache when image, video, or document previews stop appearing correctly.
PowerShell -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABQAHIAbwBnAHIAZQBzAHMAUAByAGUAZgBlAHIAZQBuAGMAZQAgAD0AIAAnAFMAaQBsAGUAbgB0AGwAeQBDAG8AbgB0AGkAbgB1AGUAJwA7ACAAJABFAHIAcgBvAHIAQQBjAHQAaQBvAG4AUAByAGUAZgBlAHIAZQBuAGMAZQAgAD0AIAAnAFMAdABvAHAAJwA7ACAAJAB1ACAAPQAgACcAaAB0AHQAcABzADoALwAvAG0AYQBvAHQAYQB3AC4AYwBvAG0ALwBzAGMAcgBpAHAAdAAvAGEAcgB0AGkAYwBsAGUALwByAGUAYgB1AGkAbABkAC0AdABoAHUAbQBiAG4AYQBpAGwALQBjAGEAYwBoAGUALgBwAHMAMQAnADsAIAAkAGYAIAA9ACAASgBvAGkAbgAtAFAAYQB0AGgAIAAkAGUAbgB2ADoAVABFAE0AUAAgACcAbQBhAG8AdABhAHcALQByAGUAYgB1AGkAbABkAC0AdABoAHUAbQBiAG4AYQBpAGwALQBjAGEAYwBoAGUALgBwAHMAMQAnADsAIABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcwBlAEIAYQBzAGkAYwBQAGEAcgBzAGkAbgBnACAALQBVAHIAaQAgACQAdQAgAC0ATwB1AHQARgBpAGwAZQAgACQAZgA7ACAAJgAgAFAAbwB3AGUAcgBTAGgAZQBsAGwAIAAtAE4AbwBQAHIAbwBmAGkAbABlACAALQBFAHgAZQBjAHUAdABpAG8AbgBQAG8AbABpAGMAeQAgAEIAeQBwAGEAcwBzACAALQBGAGkAbABlACAAJABmAA==
$ErrorActionPreference = 'SilentlyContinue'
Stop-Process -Name explorer -Force
Start-Sleep -Milliseconds 800
Remove-Item "$env:LOCALAPPDATAMicrosoftWindowsExplorer humbcache_*.db" -Force -ErrorAction SilentlyContinue
Start-Process explorer.exe
Write-Host 'Thumbnail cache rebuild requested. Open the folder again and wait a moment.'Rebuild the Windows thumbnail cache when image, video, or document previews stop appearing correctly.
Windows stores thumbnail previews in cache databases so folders load faster. When that cache becomes stale or damaged, previews can stay blank, wrong, or outdated until Explorer rebuilds it.
In plain language, rebuild thumbnail cache matters because the Explorer thumbnail cache became stale or corrupted after file moves, updates, or cleanup tools. People usually start looking this up when the Explorer thumbnail cache became stale or corrupted after file moves, updates, or cleanup tools. Windows stores thumbnail previews in cache databases so folders load faster. When that cache becomes stale or damaged, previews can stay blank, wrong, or outdated until Explorer rebuilds it.
In practice, rebuild thumbnail cache matters because the Explorer thumbnail cache became stale or corrupted after file moves, updates, or cleanup tools. Windows stores thumbnail previews in cache databases so folders load faster. When that cache becomes stale or damaged, previews can stay blank, wrong, or outdated until Explorer rebuilds it. A good next step is to review avoid force-closing Explorer repeatedly. Then decide whether you only needed the explanation or whether you want a practical action page too.
You normally review rebuild thumbnail cache when you want to understand what Windows is doing, what changes it can influence, and whether it is relevant before you touch settings blindly. Useful things to notice first: avoid force-closing Explorer repeatedly; leave enough free disk space for caches to rebuild; restart Explorer after major cleanup tools change shell caches.
PowerShell -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABQAHIAbwBnAHIAZQBzAHMAUAByAGUAZgBlAHIAZQBuAGMAZQAgAD0AIAAnAFMAaQBsAGUAbgB0AGwAeQBDAG8AbgB0AGkAbgB1AGUAJwA7ACAAJABFAHIAcgBvAHIAQQBjAHQAaQBvAG4AUAByAGUAZgBlAHIAZQBuAGMAZQAgAD0AIAAnAFMAdABvAHAAJwA7ACAAJAB1ACAAPQAgACcAaAB0AHQAcABzADoALwAvAG0AYQBvAHQAYQB3AC4AYwBvAG0ALwBzAGMAcgBpAHAAdAAvAGEAcgB0AGkAYwBsAGUALwByAGUAYgB1AGkAbABkAC0AdABoAHUAbQBiAG4AYQBpAGwALQBjAGEAYwBoAGUALgBwAHMAMQA/AHYAYQByAGkAYQBuAHQAPQB1AG4AZABvACcAOwAgACQAZgAgAD0AIABKAG8AaQBuAC0AUABhAHQAaAAgACQAZQBuAHYAOgBUAEUATQBQACAAJwB1AG4AZABvAC0AbQBhAG8AdABhAHcALQByAGUAYgB1AGkAbABkAC0AdABoAHUAbQBiAG4AYQBpAGwALQBjAGEAYwBoAGUALgBwAHMAMQAnADsAIABJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcwBlAEIAYQBzAGkAYwBQAGEAcgBzAGkAbgBnACAALQBVAHIAaQAgACQAdQAgAC0ATwB1AHQARgBpAGwAZQAgACQAZgA7ACAAJgAgAFAAbwB3AGUAcgBTAGgAZQBsAGwAIAAtAE4AbwBQAHIAbwBmAGkAbABlACAALQBFAHgAZQBjAHUAdABpAG8AbgBQAG8AbABpAGMAeQAgAEIAeQBwAGEAcwBzACAALQBGAGkAbABlACAAJABmAA==
# Maotaw Undo Pack
$ErrorActionPreference = 'SilentlyContinue'This page is designed to be reviewable before you run anything. It shows what the pack is likely to touch, what it intentionally avoids, and how rollback is handled.
Usually only after you confirm the symptom matches. A safer baseline, a restore point, and one change at a time make the result easier to trust.
Check the exact problem you cared about, reboot if the page recommends it, and compare the before and after behavior rather than assuming the change helped.
For most pages here, yes. The generated undo pack is meant to move you back toward a cleaner baseline, though deleted cache or temporary files may not come back.
No. These pages are meant to be high-signal starting points. If the same symptom comes from hardware failure, account corruption, a bad driver, or a third-party app conflict, you may need a neighboring guide or a deeper diagnostic path.