Why does it take so long for the right click menu and thumbnails to come up on my NAS?

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QUESTION :

I have a pictures folder on my Western Digital My Book World Edition NAS. Using Windows 7 Home Premium SP1, when I right click on a folder inside, I get the loading icon that lasts a long time (approximately 15 seconds or more).

It seems the larger the folder, the longer it takes. However, just right clicking in the folder, it takes about 5 seconds for the right click menu to come up. Also thumbnails inside take a long time to load.

This happens on my computer as well as another one on our home network. Restarting the router and NAS had no effect.

If I do the same things on my local drive, there is no delay.

What can I try to improve this? Let me know if you require additional information.

ANSWER :

You have a context menu shell extension that’s causing this. Check the 3rd party software you have and start disabling them one by one until you find the culprit.

Common culprits are virus scanners and compression utilities (for example, checking .exe files for SFX stubs).

usually it’s the OS + whatever context handlers you have for the file types trying to read the file metadata, e.g., reading the picture to create the thumbnail, extracting image size info, etc.

You should check for any registry key orphans.

In my case it was my archiving program, WinRar. I uninstalled it a while back and had switched over to 7zip. Once I deleted the WinRar key from the registry there was no more delay on my right-clicking.

Use this utility – http://www.nirsoft.net/utils/shell_menu_view.html

It decreased my Exlorer menu from +15 secs to under 1! Just be careful which context entries you disable…

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