bug

  1. P

    Coherence fail after suspend/resume

    I have MacOS 26.2 and Parallels Desktop Version 26.2.0 (57363). I have a Windows 11 virtual machine, specifically Windows 11 Pro 25H2 with all Windows Updates applied. My issue is that after I suspend this virtual machine and resume, Parallels posts a message "Unable to switch to Coherence". My...
  2. H

    Since version 26.x upwards - Windows 11 blue screen - CRITICAL_STRUCTURE_CORRUPTION

    Hi! Since I upgraded Parallels Desktop for Mac (Intel) to a version higher than 20.4.1-55996 (beginning with the first public 26.x version) I get CRITICAL_STRUCTURE_CORRUPTION blue screens in my Windows 11 VM at least one time per day. I read about problems with Norton 360, and as we are using...
  3. M

    Border around the Windows Start menu in Coherence Mode

    Hi When I'm using Coherence mode I have faint gray border around the Windows Start menu How to fix it, thanks macOS 26.1, Parallels Pro Version 26.1.1 (57288)
  4. Joachim von Caron

    Parallels 26.1.1 incorrectly reports SVE2 capability in ARM guest on Apple M4 Pro

    Problem Description On Parallels Desktop 26.1.1 (build 57288) running on Apple M4 Pro, ARM64 Linux guests incorrectly advertise SVE2support through AT_HWCAP2, even though the hardware does not implement SVE or SVE2 instructions. This causes applications using Vectorscan/Hyperscan or other...
  5. J

    Outlook doesn't display its windows correctly in coherence mode

    Since I updated from Parallels version 25 to 26.1.1, Microsoft Outlook running in coherence mode doesn't display its windows properly. When reply windows open, they either don't appear at all or they appear truncated in the window frame of the main Outlook window. The drop-down menus from the...
  6. T

    VIDEO DOWNLOAD IN THE WRONG LANGAUGE

    Video downloader will download English videos in another language from you tube, German and I have had Italian one too. I tried another downloader and no problem, I also tried parallels on another Mac and the issue is still there.
  7. Z

    Win 11 24H2 and 25H2 both bombing in Parallels 26

    Bombs and restarts a few times per day. Caught a slight glimpse of the quick blue screen,something like "thread exception not handled", then goes blue, to repair screen, and reboot. Happened in 24H2, so I upgraded to 25H2. Same problem.
  8. Z

    Win 11 VM keeps rebooting under Parallels 26

    After upgrading to P26, my Windows 11 virtual machine will reboot when I swipe over to my Mac side and work in the Mac environment for a few minutes. Killing my productivity! Any ideas?
  9. V

    Version 26.0.0 (57238) creates "Mac disk" file on Windows 11 Drive D

    After updating to Parallels Desktop version 26.0.0, Parallels Tools created a file named "Mac disk" on the D drive of my Windows 11 virtual machine. I can't delete the file because Parallels Tools is blocking access. If I uninstall Parallels Tools, the folder disappears. What's going on? Why is...
  10. M

    Microsoft Word Macros Stop Working after Forced Break

    Hi. I've tried searching for threads on my issue, but I haven't been able to find any, so forgive me if this is a repeat. Since upgrading to a silicon MacBook, when I force quit a macro running in Word in the Parallels ARM virtual machine, I am no longer able to rerun the macro or, indeed, any...
  11. J

    Parallels 26 Won't Activate

    I installed Parallels 26 but it won't activate. When I click Activate it gives me an error "Unable to verify the license signature." If I click the Enter a new key button, I can enter my key and the green check mark displays, but when I click Activate, I get the same error message. I can't get...
  12. P

    Coherence is not working after latest update

    Hi, Coherence is not working after the latest update and the display resolution is 1024x768 and not changeable. Anyone has a fix for this? Thanks. Regards, Peter
  13. E

    PD Version 20.4.1 (55996) network issues

    After updating to this latest version, I have terrible network issues. My host has no IP-adress in the 10.211.55.x range (bridge100 has no IP). My guest OS homestead gets the address 10.211.55.4 but I cannot reach it via ssh. My guest macOS gets no address at all. I reinstalled everything with...
  14. M

    Unable to install Parallels Toolbox for Mac

    I have purchased and installed Parallels Desktop 20 on my MacBook Pro 16" 2019 back in May 2025. So far I have installed Windows 11 using the inbuilt options in Parallels. I have not activated Windows at this time. I have tried several times to install Parallels Toolbox after launching "Install...
  15. J

    White border around windows and white background

    Hi, from some weeks I'm having a problema with Windows in coherence mode. A white border around the windows appears and in some windows all the background changes to white. I'm attached some screenshots. My system is a Mac Mini M4 Pro with 64GB RAM Sequoia 15.6 and the installed version of...
  16. M

    Download video not downloading YouTube

    The download video app is not downloading videos from YouTube. Keep getting an error stating the video service may not be supported. I have the latest version and have used a vpn switching to different countries but nothing happens.
  17. F

    Parallels Installer stuck on Downloading...

    For reference, I'm on macOS 26 Beta 3 (25A5306g) on a 2024 MacBook Pro. For some reason I'm unable to install Parallels via the Automatic Installer. It just gets stuck at this screen forever and will not continue. I obviously do have internet, I've tried everything I could think of. Using a VPN...
  18. S

    Parallels keeps shutting down my Windows 11 VM

    Setup: Apple Silicon Parallels Pro 20.4.0 Windows 11 for ARM VM, updated to latest Windows updates/release 8 vCPUs, 24GB RAM for the VM (my machine has 14 cores and 48GB RAM) I have been having this pesky problem. I leave my Mac running all the time and most of the time I leave the VM running...
  19. J

    Corrupt or black window for some applications

    This has been an intermittent problem for me since switching to Parallels for Apple Silicon. Sometimes after a Windows 11 update, the display for some apps is corrupt or black. It usually affects Microsoft Edge and the Terminal App: Removing Parallels tools fixes the display for these apps...
  20. M

    Windows 11 Task Manager running at 60% continuously since Version 20.4.0 (55980) update

    Operating system: Mac OS Hardware: MacBook M3 64GB ram VM: Windows 11 Version 10.0.22631 Build 22631 Since the last update to Parallels Version 20.4.0 (55980) windows virtual machine shows Task Manager running continuaously at 60%.
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