Windows 10: VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to...

Discus and support VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to... in Windows 10 News to solve the problem; [ATTACH]The VMware Workstation unrecoverable error: (mks) ISBRendererComm: Lost connection to mksSandbox is a disruptive crash caused by a failure in... Discussion in 'Windows 10 News' started by WinClub, Feb 7, 2026 at 4:37 AM.

  1. WinClub New Member

    VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to...


    VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to... vmware-unrecoverable-error.jpg
    The VMware Workstation unrecoverable error: (mks) ISBRendererComm: Lost connection to mksSandbox is a disruptive crash caused by a failure in the MKS (Mouse-Keyboard-Screen) subsystem, specifically when the connection to the secure mksSandbox process responsible for graphical rendering is lost. In this post, we are going to talk about this issue and see what you can do […]

    This article VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to mksSandbox (3850) first appeared on TheWindowsClub.com.

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  2. wifi is not connecting after installing vmware workstation?

    wifi is not connecting after installing vmware workstation?
     
    Hareesh jainan Manda, Feb 7, 2026 at 4:46 AM
    #2
  3. pants Win User
    Lost NAT connection to my VMware Workstation


    Hello Every one, well I Lost NAT connection to my VMware Workstation, After i did the upgrade to Win 10 From Win 7, everything was working Prior to the Upgrade ,so i am unable to do any Update to any of my OS on the VM, i have tried all the options to connet to the HOST IP, and none of them, Any Idea's

    Thanks in advance.
     
  4. jimbo45 Win User

    VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to...

    Vmware 14.1.3 fix for Too many sockets - MKS error physical Disk(s)

    Hi folks
    If you are running WKS 14.1.3 or equivalent VMware player your VM may hang (almost certainly will) at power on when using physical disks -- error message eventually at power on "can't connect MKS too many sockets."

    Simple fix (until VMware update WKS) is to start VMware wks in Adminstrator mode -- then everything works fine.

    I've checked with a number of Linux VM's running on Windows Host - all work - I tested by setting a one 3TB HDD as a raw disk (formatted xfs - just a Linux file system) .Ignore the windows message "invalid partition table " when adding the raw disk to the vm config-- of course it's invalid for windows - it's a Linux file system !!!!!

    works perfectly.

    Here's a screen shot - Host machine latest build of W10 X64 Pro. This screenshot is using a Live distro inside a VM (was the quickest to demo).


    VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to... [​IMG]


    Here's the Config


    VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to... [​IMG]


    Hope this helps some people.

    Cheers
    jimbo
     
Thema:

VMware Workstation unrecoverable error: (mks); ISBRendererComm: Lost connection to...

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