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I have tried to attach the WinDbg output file but it will not let me. Nor will it let me place the contents of the log file within a code block.

Environment: Host: macOS (15.7) Parallels Desktop Version: 26.0.1 (57243) Guest: Windows 11 Professional (latest cumulative update as of 13 September 2025) Git Version: 2.51.0 (msys2-based) Steps to Reproduce: Create a fresh Windows 11 Professional VM in Parallels Desktop. Install the latest...

I'm a Pro subscriber and I have never been offered any technical previews, despite asking. I've been a Parallels user for 10 years now. September 2, and still no update. They tried to bill me the other day. I'm holding back payment until there is a new version released or my grace period runs...

Yeah, this is really late. I hope they don't expect me to pay the yearly fee without having released a new version.

Hi all, Since the cumulative update on this months patch Tuesday (9 April 2024), I have noticed that there are some odd visual artifacts displayed around edges of certain menus in Windows 11. The update was KB5036893. Tried the obvious. Reboot. Re-install Parallels Tools. Hasn't gone away. I...

Also cannot get 23H2 to install using the Window Update Assistant. But getting error code 0xc0000005. Memory error according to Microsoft.

I have been using Parallels for many years now. The new release is always around the 2nd/3rd week of August each year. I'm not sure if they offer a perpetual license anymore. My understanding is that the license is subscription based only. I pay a yearly fee to them for my licenses. If you...

Hi Dmitry, I have just gone through the process again and generated a technical report. The report ID is 407659784. Thanks, D

Hi all, Has anyone else successfully update a Windows 11 VM to 22H2? I have tried to update twice now but both times I get a BSOD shortly after the restart with a message saying "UNMOUNTABLE_BOOT_VOLUME". It then restarts again but eventually throws me into the Windows RE. Luckily I took a...

Thought I would post an update as I think I have finally found a solution to this. I have managed to get WSL2 under control by using a .wslconfig file placed in my user directory. The contents of the file being something like this: [wsl2] kernel=C:\\temp\\myCustomKernel memory=4GB # Limits VM...

I've been using the Apple hypervisor since my last post and to be honest the performance has been OK with that. No nested virtualization though. I tried switching back to the Parallels hypervisor today as it happens to give WSL2 another go now that Big Sur has been released officially. Switched...

I'm now on PD 16.1. I am seeing poor VM performance with nested virtualization off. God knows what it would be like with it turned on. I'm running the latest macOS Big Sur Public Beta. At the minute I'm on the Parallels hypervisor but I think the Apple one offers better performance. On the...

UPDATE: I now have PD16 running on macOS Big Sur, with some help from PD 2nd line Tech Support. For me at least, the problem was something to do with VirtualBox. Running the uninstall utility in the terminal fixed the problem. The terminal uninstaller utility comes with the installer package.

Has anyone got PD16 successfully running on Big Sur Public Beta? I would be interested to know if the problem is widespread or specific to me? I can understand why Parallels would release v16 claiming full support for Big Sur when it's broken. They have released this early too I think because of...

I just got off the support chat. No solution, unfortunately. They need to investigate further with the technical data I provided. They said someone will follow up with me via email. As I said previously though, the VMware Tech Preview does run on Big Sur. I have my VM up and running in that on...

Currently, on a support chat with an agent. PD16, macOS Big Sur Public Beta. It still doesn't work. They got me to run a command in the terminal which they seemed pretty sure was going to fix the problem following a restart. sudo kextcache --clear-staging But it didn't fix the problem. Now...

I've also just tried deleting the Parallels Desktop app and then re-installing v16. Still the same result. Won't start, and just asks to restart the Mac. What's the procedure for completely removing Parallels Desktop?

I've installed Parallels Desktop 16 this morning. It's still completely broken. It will not start. Just keeps asking me to restart my Mac. Same as before.

Although to be fair, after using it for a bit, it's running like dog poo. Not sure if that's a VMware or macOS Big Sur thing though. Back to Bootcamp it is then. Thank god for Bootcamp.

VMware Fusion Tech Preview runs on macOS Big Sur and also supports Windows Insider Build 20185. I have it up and running now.