my guess it you have a new network driver with a bug in it.
I would update them if I could and see if the bugheck goes away. if it does not then
you should also see if you can update:
Acer Launch Manager Wireless Driver
\SystemRoot\System32\drivers\LMDriver.sys Tue Jul 16 11:58:57 2013
http://us.acer.com/ac/en/US/content/drivers
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third bugcheck was like the first one.
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second bugcheck was a quota underflow while running chrome.
(again maybe something releasing memory too many times, not sure)
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first bugcheck is in networking code.
one of your network drivers most likely released the same memory twice.
I would update the two drivers and check Acer to see if there is a BIOS or driver update for your machine.
I can not tell which one with a minidump.
\SystemRoot\system32\DRIVERS\athwbx.sys Fri Feb 14 02:35:18 2014
http://www.carrona.org/drivers/driver.php?id=athwbx.sys
\SystemRoot\system32\DRIVERS\Rt630x64.sys Wed Jan 08 01:16:51 2014
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=4&Level=5&Conn=4&DownTypeID=3&GetDown=false&Downloads=true
\SystemRoot\system32\DRIVERS\usb8023x.sys Thu Aug 22 04:38:17 2013 ( Remote NDIS USB Driver???)
I suppose it can also be your bluetooth drivers.
machine info:
Vendor Insyde Corp.
BIOS Version V1.04
BIOS Release Date 05/06/2014
Manufacturer Acer
Product Name Aspire E5-571
Version V1.04
SKUNumber Aspire E5-571_0866_V1.04
Family SharkBay System
Manufacturer Acer
Product EA50_HB
Version V1.04