[BUG] Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use
### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? [BUG] Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use Environment Note: This issue is specific to the Claude Desktop app (Windows), not Claude Code CLI. OS: Windows 11 Pro 25H2, Build 26200.7840 Hardware: Razer Blade 15 Base Model (Late 2020), i7-10750H, 16 GB RAM Claude Desktop: Latest version as of 2/26/2026 Windows Features: VirtualMachinePlatform enabled; Hyper-V, WSL, Docker, and Windows Sandbox are all disabled Core Isolation / Memory Integrity: Off Summary The Claude Desktop app launches a Hyper-V virtual machine (Vmmem) consuming approximately 1.8 GB of RAM every time it starts — even when the user only needs chat functionality and has no intention of using Cowork or agent mode. On a 16 GB laptop, this represents over 11% of total memory consumed by infrastructure that isn't being used. Steps to Reproduce Install Claude Desktop on Windows 11 with VirtualMachinePlatform enabled Use Cowork/agent mode at least once (this creates session files) Close and reopen Claude Desktop — or simply reboot the machine Open Task Manager and observe Vmmem consuming ~1,800 MB What Happens On every launch, the C
Posted by davidellett on Feb 26, 2026, 4:29 PM
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Raise real-world problems, find people facing the same issue, and discuss solutions.2,000 issues0 comments
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Qt is fully of bugs on Wayland, some of which are unfixable because the API makes guarantees that are impossible to uphold.
I took the plunge into GrapheneOS a week ago.
[FEATURE] Multi-device Cowork: Allow concurrent Cowork agents on multiple machines under a single account
[BUG] Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use
Those cheap Bluetooth Tesla coils on AliExpress use A2DP audio as their control signal - a comparator converts the audio into spark pulses.
[Prisma 7.0.0] TypeScript TS2742 errors with pnpm monorepo - cannot resolve @prisma/client-runtime-utils types
I built a routine management app for my kids (7 and 10) called "Oh Yah!" after their constant "Oh yah!
> If it is open source, then I can build and install it myself.
[BUG] Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use
### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? [BUG] Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use Environment Note: This issue is specific to the Claude Desktop app (Windows), not Claude Code CLI. OS: Windows 11 Pro 25H2, Build 26200.7840 Hardware: Razer Blade 15 Base Model (Late 2020), i7-10750H, 16 GB RAM Claude Desktop: Latest version as of 2/26/2026 Windows Features: VirtualMachinePlatform enabled; Hyper-V, WSL, Docker, and Windows Sandbox are all disabled Core Isolation / Memory Integrity: Off Summary The Claude Desktop app launches a Hyper-V virtual machine (Vmmem) consuming approximately 1.8 GB of RAM every time it starts — even when the user only needs chat functionality and has no intention of using Cowork or agent mode. On a 16 GB laptop, this represents over 11% of total memory consumed by infrastructure that isn't being used. Steps to Reproduce Install Claude Desktop on Windows 11 with VirtualMachinePlatform enabled Use Cowork/agent mode at least once (this creates session files) Close and reopen Claude Desktop — or simply reboot the machine Open Task Manager and observe Vmmem consuming ~1,800 MB What Happens On every launch, the C
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