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Registry bloat in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles

Ken Z


Hi Everyone


I did a search of "pnplockdownfiles" in this forum and there were no hits!


looks like either no-one is experiencing this issue or everyone was already aware of it and had their own workarounds.

After Googling this registry key, It appears that it's been around for a while,

running ru64.exe against this key on my systems, it's showing as almost 200MB in size.


The workaround is to delete the key and reboot the server, but it'll only cause the registry to grow again.

I'm hoping this issue is just a non-compliant WHQL driver, so exporting the key and going to look through the list to see any obvious culprit.


Any comments welcome




Ken Z

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