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Multiple PCs frozen right after update.

Sophos User5115

Over the last couple weeks, since we received the Core Agent update to 2.19.8 on 10/4, we've had multiple older machines freeze completely.  Screen freezes, no keyboard or mouse, NIC unresponsive.  We have to do a hard shut down to bring them down and back up.  Not positive that this update is the culprit, but on the computers that have been freezing 2 to 3 times a day, we uninstalled Sophos and they've been behaving for a couple days now. 

Models affected:  HP xw4400, HP xw4600, Z400.  All have been running Win10 21H1 with last update back in September.  "Newer" computers (e.g. Z420, Z4 G4) have not had this problem.  Event logs show nothing out of the ordinary around the time of crash.  

Just curious if anybody else has run into this in the last week.    



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  • 0 in reply to Ronald Woods

    The hours I've spent troubleshooting this issue was made on my company time that could have been spent more productively.  I'm not sure why they can't just roll back.  Though, I'm not convinced it's Microsoft this time.  I had a couple computers that are pulled from the update schedule and were sitting on build 1903 of Windows and still had the crashing.  

  • 0 in reply to Sophos User5115

    Just to confirm? 

    Cloud portal - > Endpoint Protection - Policies -> Threat Protection -> new policy with computer - turn off

    "Real-time Scanning - Local Files and Network Shares"


     

  • 0 in reply to Vman

    Interesting, I'm running Intercept X with Endpoint advanced. I renamed SophosED.sys to SophosED.orig not SophosED.sys.orig and rebooted. The file did not reappear to the sys state but I did get the error messages, Sophos IPS and Sophos System Protection Services stopped.  I'm running the music tests for 3 + hours now to see if that "fixes" the issue of freezing. That is NOT a solution to Sophos S/W design!!!  Actually, it's really a Microsoft issue, as I commented on in an earlier (10:41 PST) post (below). Since the March 2021 Windows updates, things have gone FUBAR with Sophos. By NOT updating to the latest Win updates after March 2021 or May 2021, I have no problem playing music for 12 hours continuously and running Sophos. So MS stuffed something up really good. One MS MVP consultant stated, with the older PCs and MS updates continuing, it's only going to get worse!"  When I run stuff on my new Vostro 5510 laptop and Optiplex 5090 MT running Windows 10 Pro and have NO problem. Maybe something with the drivers that Dell NO LONGER supports on these older PCs! 

  • 0 in reply to Vman

    I didn't turn off any of my Protection Override policies in the local settings. The box is still unchecked.  In the Central Control for two PCs I allowed for settings to be changed locally in them for testing. The Real-Time-Scanning is still active. MS has done something different in the newer drivers and Dell does NOT support the older systems with later driver updates. Question is, which driver(s) cause the problem?  I've gotten NOOOOO helpful response from  from MS, (DOH)!  It's basically a 0 ROI  on MS and Dell to get you to buy newer PCs and OS updates! Common business practice. Guess you could pay MS or a consultant to write us a driver update, but would that address later MS Win 10 updates???  So I started testing/working with the new laptops and MT desktop PCs. 

  • 0 in reply to Sophos User5115

    BTW how often does the FileScanner run on your problem PC(s) and what triggered the scanner to start? I've tried to get Sophos to answer that, but it seems, mums the word. Maybe we'll get a response in these forums?? Wished I had the source code or an insider looking at this for us. Not holding my breath...

  • 0 in reply to Ronald Woods

    I really don't think it is related to MS updates in this case.  I have machines on 1903 still that hadn't updated since Feb. and they were doing it since the early October Sophos update.

  • 0 in reply to Sophos User5115

    Hmm, interesting. Wished we could isolate to PC driver(s) issues, MS updates, Sophos bugaboos etc. Am testing with and older laptop now as a 4th PC in the ring... If they (Sophos) don't solve the problem, when renewal time rolls around, bye bye Sophos...

  • 0 in reply to Ronald Woods

    October 2021, namely when the Sophos core updated to 2.19.8.   Had about 10 of them crash all the same day after that update and never had this issue with any PC before then.  

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