performance

  1. M

    Parallels 20 shared network throughput

    I've upgrade to Parallels 20.0.1 and after that MacOS Sequoia 15.0. My Windows 11 VM's Parallels tools are upgraded, now the network throughput of low (about 1/4 of max) and sometimes 0Kb. When I start another download/upload, the throughput runs again, until a few seconds as it goes back 0...
  2. P

    Updated MacBook Pro M3 to Sequoia 15.0 - Windows 11 Pro VM Network virtually none existent

    Hi All, I updated my MacBook Pro M3 Last week and now my Windows 11 Pro VM has an extremely slow network. this is the same if on my home network, or office network. at home home I have wired 2.5gb connection to my router and a 1GBPS internet connection, at work there is full commercial setup...
  3. J

    Poor performance - Java App ( Pycharm Professional)

    Hello, I am running Parallels Desktop 20 for Mac ( Pro ) on an M1 Pro with 16 GB memory, with the latest Sequoia version of Mac OS. Because of the nature of my work, I need to use Virtual machines, so I am running Mac OS guests, also running the latest version of Sequoia. I use Jetbrains...
  4. M

    Regarding Performance in "The Legend of Heroes: Trails to Azure"

    Hello, the game runs pretty poorly in some areas. Most areas are fine, except for Crossbell (the main city in the game). Does anyone here know how to fix this? Here's a video showcasing the framerate in the city vs in buildings (just an example)...
  5. 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
  6. 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
  7. Bertrand

    CorelDraw 2024 runs Windows11 VM awfully slowly with Parallels Desktop 19!

    Hi, I have a big problem with CorelDraw Graphic Suite 2024 (CDGS2024) running under Windows (10 or 11, indifferently) as a Parallels Desktop 19.n virtual machine. Until last October or November (I can't remember exactly), I used to run CDGS2023 on Windows10 pro, installed on Boot Camp used as...
  8. T

    Windows 10 is very slow

    I'm using ver.19.3.0, macOS Sonoma 14.4.1. ( MacBook Pro 16-inch 2019) Win10 is very slow. ( assined 4 cpu 20 GB Memory) Mouse cursol moving is almost freeze. It's unusable. At ver.18 it was not so slow. Why ?
  9. J

    MS Excel very slow

    Hoping to improve performance of Excel in my virtual environment. It is slow, it freezes up, it lags while scrolling. I'm running Parallels 18 for Mac Pro Edition on macOS Big Sur 11.7.10. Computer is a Mac Mini 2018, 3.2 GHz 6-Core Intel Core i7 with 64 GB of Ram. Intel UHD Graphics 630...
  10. B

    Bug: Parallels Desktop uses tons of CPU if it cannot access Cloudflare

    I don't even use cloudflare!
  11. J

    Lost significant performance after some update

    I use 3DS MAX extensively on my Macbook Pro M2 Max. Recently, performance has become rubbish, clicking anywhere takes a full second before the UI responds. I suspect this is because I recently updated parallels, but I can't remember from what version. Is there a way to revert? How can I find...
  12. S

    [FIXED in 19.2.0] Virtual Machine Unusable after upgrade to Sonoma

    Hi, I've just upgraded from Ventura to Sonoma and suddenly my Windows 11 VM is unusable. Clicking on any element of the screen results in the whole machine freezing for several seconds before anything happens like the CPU is racing. This happens every time you click on anything, programs take...
  13. N

    prl_naptd process 100% CPU on Mac following update to Parallels 18

    Hi - just updated to Parallels 18.3.2 (53621) on MacBook Pro running Mac OS Ventura 13.4.1 (c) Instant regret. Activity Monitor reports process prl_naptd taking a constant 100% of CPU and the fan on the laptop is running all the time. This has never been a problem in 4 years of using Parallels...
  14. A

    Install Parallels Desktop on Macintosh HD & Install and download all on External Drive

    Hey everyone! I hope you're doing well. I just downloaded the free trial to test everything first before buying Parallels Desktop (Private use (gaming, coding in VS)). I installed Virtual Machine only on my macOS's System Drive (Macintosh HD) and now I want to use Windows on my External Drive...
  15. C

    Parallels Desktop 18 not installing windows apps on my external SSD drive

    Hello, I just got Parallels Desktop 18 to try it. I am trying to run Windows 11 and any apps installed in windows from a fast external ssd drive. I did figure out how to run Windows eleven from the SSD drive, but Parallels Desktop 18 keeps installing all the apps I install in windows on my...
  16. J

    Unusably slow Mojave VM

    I've been sticking with Mojave on my Mac for quite some time as I still use Adobe CS6 products. As a trial I thought I'd give it a go and update to Monterey (I have a backup, I can go back to Mojave if need be) and try creating a Mojave VM to run Photoshop and a couple other older editing apps...
  17. W

    Allocated 12gb of ram but a game I'm trying to play says less than 1gb available

    I am having trouble playing a game in the virtual machine. The first time I ran parallels, I updated the Microsoft software to the latest release and downloaded steam. The program was laggy right from the start, every mouse movement was delayed on the parallels desktop. Once I had a game, I went...
  18. G

    Coherence seems to impact performance

    I have a MacBook Pro, 13'', 2020, with 2.3 GHz Quad-Core Intel Core i7, 32 GB. I have now installed Parallels, Windows 10, and MS Office. I noticed that all Office applications are extremely slow, typing, opening menus etc. alway has very slow response times. I have searched forums and tried all...
  19. 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...
  20. C

    Optimization needs the CPU and network speed resource split

    If you move it down one it causes issues in Microsoft Store with apps taking 20 to 40+ minutes to download app updates (even if the app update is 5MB) & Microsoft Updates seem to get stuck at getting updates downloading 200KB/s every 20 seconds or so. I am asking that Network speed be split...
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