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I do not know. I asked support whether there is a downside to this command to which they replied:

Just got an update from support. This fixed my problem: 1. Right-click on the virtual machine name in Control Center and click Configure... 2. Go to Hardware tab and open Boot order menu. 3. In this menu go to Advanced Settings and add Boot Flag in the field: devices.usb.mouse=0

Update 5: Support sent me this: 1. Right-click on the virtual machine name in Control Center and click Configure... 2. Go to Hardware tab and open Boot order menu. 3. In this menu go to Advanced Settings and add Boot Flag in the field: devices.usb.mouse=0 This fixed my problem.

This problem seems to be related to this: https://forum.parallels.com/threads/parallels-12-windows-10-atrocious-graphics-performance-video-attached.338537/ Still waiting for a solution myself.

Update 4: I just contacted Parallels customer support. My experience was not so nice, as the person insisted that a "graphical delay of up to 1s would be considered 'minor' and normal behavior of a VM" (his words). In other words, what you see in the video above is considered expected Parallels...

@JeanQ, interesting. I also just noticed when I unplug all USB devices it seems to get a little bit better. Update: Even more, it seems to be only my Logitech mouse. Once the mouse is unplugged, the performance gets better immediately. Update 2: Followed the steps here regarding Mice and...

Alright, I just sent my support request. As a side note, when reporting a problem you produce a confirmation that reads: Your support request has been submitted successfully. An email with your ticket number has been sent to your email address. Instructions on how to track your support...

Hi, I have the latest Parallels 12 Pro edition, using the latest Windows 10 on macOS Sierra. Even a few months after release, the graphics performance is still horrible, effectively preventing me from using my VM. Here is a video (I recommend watching it fullscreen on Youtube): It feels exactly...

Update: Looks as if the two crashes destroyed the Windows installation. The "Repair Windows 10" did not work for me, but I had a snapshot from last month I could revert to.

Hi, I just updated to 11.1.2 (32408) in the Pro edition. After that update Parallels crashed twice already the last 15 minutes or so, I also seem to be unable to press / activate the Start menu in Windows (like I can press the Windows key or click the icon in the lower right corner, but the...

Medieval Total War Hi, I also vote for Medieval Total War. It launches well, but the "battle"-mode gives serious rendering problems (violet screen, sometimes you can see a box flickering). (Oh, I forgot, I use the lastest Parallels Version - 5582, DX Enabled)

I'm happy. Whats prevents me from being very happy : 1) No 3D 2) No session-only harddrive (or however VMWare calls this, where the drive is reset after reboot) 3) Windows inside Parallels crashes on suspend/resume of VM.

The title basically says everything. Parallels usually works flawlessly and stable, I even did a firmware update by USB for my Nokia cellphone using the latest build. Suspend / Resume however gives reproducable bluescreens with the DRIVER_IRQL_NOT_LESS_OR_EQUAL error. Please see...