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Chrome hangs due to "long-running script"

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#1 Craig McDaniel

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Posted 28 February 2018 - 12:08 PM

Chrome will stall or hang, not quite a freeze, and pop up a message saying that a "long-running script" is the culprit. I'd appreciate any ideas or known fixes to bring Chrome closer to the "as advertised" smooth and speedy browser Google claims.


No hint as to the identity of the offending script, and I don't know how --- if it's possible -- to find it on my own. I'm given the option of stopping the script, which I do but it seems to take the system forever to respond to the command. This is often followed by more instances of the same behavior.


Sometimes, but not always, a yellow bar appears at the top of the Chrome window pointing out that Shockwave has crashed at about the same time. In other cases, the Shockwave crash occurs without the script notification. The following is the displayed message: 

"A plug-in (Shockwave Flash) isn't responding."


I followed the how-to-fix-it steps in Chrome Help, but I'm not sure that resolved it. Haven't seen the error message recently, but I may have been lucky and dodged sites with Shockwave content. Chrome's Task Manager shows the plug-in is running. That's odd because using Iobit Uninstaller's Toolbars & Plug-ins feature, the Shockwave Flash Object plug-in (version 32-bit) is associated with IE 11 and doesn't show up on the Chrome plug-in list -- only in the Task Manager list for Chrome.


I've removed nearly all extensions and cut back on plug-ins to lighten the workload. Regularly run defrag, security and clean-up programs to keep the litter to minimum.


I also experience, very regularly, a "program not responding" timeout but this isn't limited to Chrome. Happens with most running programs and I suspect it's the result of hardware resources. My machine is old and limited in processing power, RAM etc. Can't afford to do the obvious fix for the hardware limitations and buy a replacement.


OS is Windows 10 Home 64-bit

Version 1709

Build 16299.248

Chrome Version 64.0.3282.186 (Official Build) (64-bit)

Installed (on my laptop) is Shockwave player version

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#2 HyperHenry


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Posted 28 February 2018 - 01:41 PM

I had that issue on Firefox and it turned out to be an ad blocker. I'd suggest disabling all of your addons then reenable them one at a time. If you enable one and the problem returns you know what caused it.

#3 britechguy


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Posted 28 February 2018 - 04:31 PM

If HyperHenry's suggestion (which is a good one) does not allow you to determine the culprit, it's always helpful to potential assistants if you publish a Speccy system snapshot and provide the web address for it in your next message.  Here are downloadable step-by-step instructions for doing this:

                     - Using Speccy,  PDF Format 
                     - Using Speccy,  MS-Word Format

Brian  AKA  Bri the Tech Guy (my website address is in my profile) Windows 10 Home, 64-bit, Version 1709, Build 16299


    Here is a test to find out whether your mission in life is complete.  If you’re alive, it isn’t.
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