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Windows 7: Unable to Disable Thumbnail Cache

13 Feb 2013   #11
Cyberwolf

Windows 7 Ultimate x64
 
 

Windows must ignore or over ride "Read Only" settings as its still writing to that directory and those .db files. Despite verifying its read only status


My System SpecsSystem Spec
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13 Feb 2013   #12
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Brink may have a solution for you as I'm in the dark. Post you issues in the tutorial thread I linked too.
My System SpecsSystem Spec
13 Feb 2013   #13
Cyberwolf

Windows 7 Ultimate x64
 
 

Windows is still generating and saving the .db files after disabling thumbnails via the registry AND Group Policy editor.

Any ideas why or how to finally tell Windows enough is enough, and to enforce its own rules?
My System SpecsSystem Spec
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13 Feb 2013   #14
Brink

64-bit Windows 10 Pro
 
 

Hello David,

Since you do not want thumbnail previews, you could just disable thumbnail previews to not have them.

As far as the thumbnail cache, you might see if resetting it may help to no longer generate it since you disabled the thumbnail cache.

Thumbnail Cache - Clear and Reset

Hope this helps,
Shawn
My System SpecsSystem Spec
14 Feb 2013   #15
logicearth

Windows 10 Pro (x64)
 
 

You are turning off the wrong thumbnail caching. In group policy where you turned the other thumbnail catching off you want: "Turn off the caching of thumbnails in hidden thumbs.db files"

There are two thumbnail caches in Windows 7, the first one is a central store at "C:\Users\[username]\AppData\Local\Microsoft\Windows\Explorer" this handles all thumbnail caching for the whole computer. Now, thumbs.db files are created for network locations, or in Windows 7 libraries and other interfaces seem to go though a network interface fooling the caching routines as if local files were on a network drive. Thus you get thumbs.db when you should not.

Registry key if you don't have group policy:
Code:
[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Explorer]
"DisableThumbsDBOnNetworkFolders"=dword:00000001
My System SpecsSystem Spec
14 Feb 2013   #16
Brink

64-bit Windows 10 Pro
 
 

Thank you logicearth. I've updated the .reg files in the tutorial to include that as well now.
My System SpecsSystem Spec
14 Feb 2013   #17
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

In GPE both need to be turned off then?
My System SpecsSystem Spec
14 Feb 2013   #18
Brink

64-bit Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Britton30 View Post
In GPE both need to be turned off then?
Hey Gary,

Yep, both need to be set to "Enabled" in GPE like in OPTION TWO below to disable the cache.

Thumbnail Cache - Enable or Disable
My System SpecsSystem Spec
14 Feb 2013   #19
Cyberwolf

Windows 7 Ultimate x64
 
 

The only issue with the above given advise, is that I already HAD set ENABLED to the two listed sections in Group Policy. I have also already cleared the cache and rebooted via the Disk Cleanup option. After reboot, the thumbs are still being generated in /User Account Here/App Data/Local/Microsoft/Windows/Explorer.

After browsing a few folders with pictures in them, thumbcache_96.db is sitting at 15 Megs. Using software to view the .db shows the thumbs of the pictures folders I had opened.

Clearly something isnt going on as intended. I dont view disabling them altogether as an option, seeing as there are options to SUPPOSEDLY disable caching.
My System SpecsSystem Spec
14 Feb 2013   #20
logicearth

Windows 10 Pro (x64)
 
 

Cyberwolf, even when you disable Thumbnail caching those files "thumbcache_*.db" are always created. ALWAYS.
My System SpecsSystem Spec
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 Unable to Disable Thumbnail Cache




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