Catsrules

Right Clicking Files Hangs File Explorer On Network Shairs [Bug]

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I found a bug in BTSync that is causing Window File explorer to hang for 30+ seconds when right clicking on files on a network share.   
It appears to be the "Share with BitTorrent Sync" contect menu

 

 

 

When I disable the BTSync's context menu using ShellExView http://www.nirsoft.net/utils/shexview.html

My right click works just fine and does not hang file explorer.

 

 

I have been having this issue for almost a year now on multiple computers running windows 7. Today I tracked it down to BTSync by trial and error.

I just updated to the latest and greatest BTsync 2.2.7(160) with the same result.

 

File Explorer only hangs when browsing to a network location \\server\shaired folder. Local drives, memory sticks and mapped network drives, are not affected.

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As far as I can tell this is any file server doesn't matter the load, or fold or file size.File explorer hangs just as long on a 2TB video folder as a 1KB text file.

I have duplicated this issue on multiple clients windows 7 clients on separate networks and multiple servers.  I am 90% sure this affects windows 10, but I have not tried it for along time.

 

Servers I have tried.

 

Freenas 9 Server CIFS

Ubuntu 14.04 SMB server

Windows Server 2013 Share

Windows Server 2008 Share

 

These servers hardware ranges from a cheap single 1TB drive to 4 Enterprise 1500RPM drives in RAID 10.

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Catsrules,

 

Thank you for the report and details. We managed to reproduce it on Windows 7. BTW, do you have Kaspersky on your machines? 

Excelent, glad I am not crazy :)

I look forward to a fix in the future.

 

I do not have Kasperdky on any of my machines. I have a mixture of AVG Free and Eset.

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@Catsrules

While we are working to get this issue resolved - could you please try to disable AVG and ESET on-access file scan and see if it improves the situation? In our lab, it reduced delay twice (though it is still noticeable comparing to right-click without Sync's extension).

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@Catsrules

While we are working to get this issue resolved - could you please try to disable AVG and ESET on-access file scan and see if it improves the situation? In our lab, it reduced delay twice (though it is still noticeable comparing to right-click without Sync's extension).

 

I didn't notice a difference with AVG enebled or disabled. I will try ESET when I go back to work next week.

 

However I did start counting the seconds of the delays. This didn't folow this pattern everytime but generly the first right click was the longest between 14-30 seconds, the following clicks were 5-6 seconds. Ocationaly there was a period of no waiitng at all.

After waiting before right clicking again the pattern would start over again.    

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Try running process monitor by sysinternals with and without the btsync context menu. Might reveal more hints... If the delay in seconds is reliably produced, might be a network timeout. Mapped drives are authenticated with saved passwords... But network locations don't always have that luxury. Just a guess...

Sent from my iPhone using Tapatalk

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It's been fixed quite a time ago, and as of today, cannot reproduce it on our Wind10 PCs, so any debug info from your case would be appreciated. 

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I'm only able to reproduce the problem on my main desktop.

I could not do the same on my laptop or other computers, one major differences is my main desktop only has kaspersky AV + Malwarebytes and not kaspersky internet security like the rest.

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without Kaspersky the context menu or right click menu on a network share takes 45 seconds to load, it will say not responding for most of that time.

With resilio sync disabled the context menu loads in a few seconds.

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ok, open RegEdit, find key HKEY_CURRENT_USER\SOFTWARE\Resilio\Sync, put its value  `ShellMenuSharingEnable`to zero. Relaunc explorer.exe. 
See if it helps. 
if not, send all ShellExt....log files from Sync storage to Support 

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On 1/18/2017 at 4:50 AM, Helen said:

ok, open RegEdit, find key HKEY_CURRENT_USER\SOFTWARE\Resilio\Sync, put its value  `ShellMenuSharingEnable`to zero. Relaunc explorer.exe. 
See if it helps. 
if not, send all ShellExt....log files from Sync storage to Support 

This isn't working for me, even after a restart.

I tried disabling it using ShellExView, and it STILL shows up.

Edited by Megalith

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14 hours ago, Megalith said:

This isn't working for me, even after a restart

Did you send the log files to support? what's the ticked #? 

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