slow

  1. D

    Very slow upload speeds on Windows 11 (Apple silicon)

    Hello, For the past couple of days, I've been testing Parallels Desktop (trial version) to check if it is a good alternative to other hypervisors. However, I've stumbled upon a network issue that I can't find a fix for. I've checked other threads (e.g...
  2. D

    How much slower is file access via shared folder

    Hi, I normally share specific folder on my mac to Windows 11, i.e. Users/name/project-folder-x > share to windows > "D:" Question is: - what is the penalty of doing so vs. having the files local on the VM "C:" How much slower is file access via shared folder
  3. H

    Very slow Win 11 VM with Creedence Cryptex dmg on desktop

    I have a 2019 iMac with Intel Core i5 that was running a Windows 11 VM with single application. The performance was fine and I was satisfied with this setup for years. I recently updated to the latest OS that my Mac supports, Sequoia 15.5. My VM got incredibly slow and suddenly there are...
  4. Bertrand

    Third party app insanely slow on Windows11 Pro (24H2) on Mac Mini M2 Pro

    Hello, I tried to run the CorelDRAW graphic suite 2025 on my Mac Mini M2 Pro. in a Windows11 Pro VM handled by Parallels Desktop Pro macOS version: 15.4.1 Parallels Desktop version: 20.3.0 (55895) Windows11 version: 24H2 (bnuild #26120.3964) CorelDRAW version: 26.0.0.101 - March 2025 Release...
  5. L

    Parallels 20.2.2 (55879) running Windows 11 Pro has become impossibly slow (M4 Pro)

    Literally since yesterday, Windows 11 has started running impossibly slow. Unusable. Software is either hanging or crashing. Is there a known issue with the latest Parallels? Have any other users had this happen? Windows has 16GB RAM and 8 CPUs, so I don't see why performance should be a problem.
  6. Z

    Why is OpenSuse update so slow?

    Same machine - 16 inch M2. VMware Fusion runs OpenSuse Tumbleweed updates fast. Parallels not so much. Seems network access is slow. Anyone else seen this? Same network locally, same WiFi.
  7. R

    VM terrible slow and Windows 10 seems to eat up all RAM (12GB), even after fresh boot

    Hi there, my stettings are MacBook Pro 15" 2018 Editition, 32 GB 2400 MHz DDR4, 2,6 GHz 6-Core Intel Core i7, Radeon Pro 560X 4 GB, MacOS Sonoma 14.4.1 ( I had read rumors that 14,5 is even slower so I avoid updating it ). Parallels Pro 19.4.0. - Hypervisor: Apple - Adaptive Hypervizor: Enabled...
  8. R

    over 13 minutes for windows to boot up

    MacOs is up to date, version 14.5, parallels and toolbox is up to date. Windows took over 13 minutes to boot up, 2 other machines, 1 imac and 1 macbook pro are showing similar issues. Technical report # 462227712
  9. M

    Slow Windows

    I created a new VM last Monday. Everything looks nice. But since Friday Windows working very slow. I tried recomnended settings but nothing helps. I suspect writing to disk
  10. F

    Macbook fan goes nuts after starting Windows

    Hello, Just by starting Windows 11 in Parallels Desktop 19.2.1 (I'm not running anything there besides Windows itself), makes my macbook fan runs like crazy. If I shutdown Windows and close Parallels they soon get back to silent. Before Parallels 19 I never noticed such high speed fan. If I let...
  11. R

    Windows for ARM - Printing from QuickBooks Desktop

    Hello Everyone, I am running QuickBooks Desktop 2023 from within Windows 11, specifically an insider build. The specific build is escaping me at the moment but I can update this post if this is important information. I am running a 14" MacBook Pro M2 Max and I am experiencing delayed check...
  12. S

    The installation download very slow

    Hi support team, I download the installation via this link https://download.parallels.com/web-installer/v1/1.6.0-431/Install%20Parallels%20Desktop.dmg but it downloads in the installation package it's very slow 321.2M takes around 2~3hrs. and once it's done it's reset and downloads the same...
  13. B

    slow ethernet network speed in Windows after upgrade Parallels 17 to 18

    I just upgrade my Parallels 17 to 18 and had very slow ethernet network after upgrading. i made no changes in the network settings, and i checked if the upgrade was making changes to the previous settings, but found none. i used bridged network (ethernet) settings with static ip configured in...
  14. R

    Windows performance is low

    Hello guys, I'm experiencing poor performance with Parallels running Windows 10. In the past, about 3 months ago, I tested Parallels and it performed well with the trial version. After purchasing the app, installing it and starting to use it, I am facing this poor performance. Could anyone...
  15. R

    Outlook Synchronization Incredibly Slow or Fails Altogether

    Well, the title says it all. When I press the send/receive button for my emails accounts, the progress box appears, shows the tasks that are running and ends up with an error stating that the synchronization cannot be completed (the error detail usually states that the server cannot be found)...
  16. B

    W10/W11 slow on iMac i9-9900K

    Hi, Windows 10 on an iMac i9-9900K with 32GB RAM is behaving slow, especially when clicking on URL links - it can take up to a minute that the VM is responding to the click. It used to work normally in the beginning. What I tried so far: upgrade to macOS Big Sur, upgrade to macOS Monterey...
  17. Q

    Slow downloading from YouTube

    Hi all, I'm experiencing an issues downloading from YouTube - it has become incredibly slow, to the point of being unusable. We're talking Kb per second; slower than realtime playback. Download from Vimeo is still as fast as it was previously. This slow downloading began a month or two ago - I...
  18. O

    Parallels 17 extremely slow on MBP

    I have MBP A2141 2,3 ghz 8 core i9 processor but I can't do anything. Even a simple mouse click.... I checked recommended settings everything seems ok but it's really slow. It is a pity that a paid software is in this situation.
  19. D

    Windows 10 over time starts to suffer frequent 10-30 sec UI lock-ups with 100% active disk time

    I have been using Parallel's for a couple of years now with Windows 10. Initially everything was great and I was quite impressed. However 6 months or so in, it started suffering from UI lock-ups more and more frequently as time went by when trying to do simple things like drag a window, access...
  20. B

    Kali extremely slow/laggy with Parallels 16 [Solved!]

    After following mister Mark Fine's great guide to successfully apply this patch in order to be able to install Parallels Tools for Kali Linux with Parallels 16, my Kali has become very slow/laggy. Moving mouse and typing take like 30 seconds to reflect. However, which is strange, typing a...
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