A laptop displays a sleek system management dashboard beside a glowing microchip and floating technology icons.
Wintoys, a Windows tweaking utility from independent developer Bogdan Pătrăucean, has released version 3.0, and its headline feature targets AI processes that sit in memory doing nothing. Neowin, which notes the app holds a 4.9 rating on the Microsoft Store, says the update can help Windows 11 users get several gigabytes of RAM back. The fine print is more specific: the RAM-saving switch only applies to Copilot+ PCs. The release also adds Group Policy-aware configuration, a paid profiles feature and more privacy controls.

The official changelog lists the release as 3.0.10.0, labelled a "major update++" and dated November 8, 2026. Here's what changed, which PCs it affects, and what to check before you start turning off Windows AI services.

A laptop displays a sleek system management dashboard beside a glowing microchip and floating technology icons. The AI components switch: what it does​

The biggest addition is a new AI components option on the Optimizations page. The developer's release post says the service can consume a considerable amount of RAM, between 2 GB to 8 GB+, by running multiple process instances of WorkloadsSessionHost.exe in the background.

He says this happens because of the machine learning models that are loaded into memory to facilitate features like Recall or semantic search, even when these features are unused or disabled.

His example: "On my Surface Pro 12 with 16 GBs of RAM, the memory usage dropped from 11 GBs to 5 GBs." That's a big drop, but it comes from one device tested by the person who wrote the feature. It isn't an independent benchmark.

The changelog also limits where the toggle appears: it's available on Copilot Plus PCs (with CPUs that have an NPU component). A typical desktop without a neural processing unit (NPU) won't see the option.

What it means:

  • The option targets the background AI host processes, not individual features like Recall.
  • Results will vary by machine. The 11 GB to 5 GB figure is the developer's own single-device result.
  • Only Copilot+ PCs with NPUs are affected.

Do other users see the same problem?​

The developer isn't the only one reporting this. Several Microsoft Q&A threads show users with the same symptoms over many months.

  • Surface Laptop for Business, 32 GB RAM, Windows 11 25H2 (build 26200.8894): One user counted eight WorkloadsSessionHost.exe instances from the WindowsWorkload.Manager package. Together they had a 4,454 MB working set and 2,449.1 MB of private memory. Stopping the Windows AI Fabric Service (WSAIFabricSvc) and ending the processes freed 5.19 GB of physical memory. The user also said that removing Recall didn't fix it and that the eight processes came back after a reboot.
  • Intel Core Ultra 7 256V, Windows 11 Pro 25H2: A separate thread describes WorkloadsSessionHost consuming 3-4GB RAM on startup 14 processes. The user had the WSAIFabricSvc registry set to Value 4 (Disabled) but service still starts.
  • ASUS TUF Gaming A16 with Ryzen AI 9 HX 370: In an older 2025 thread, the process keeps starting on its own and uses a lot of CPU (10%+) and RAM (2.7 GB+), even after I manually end it.

These reports support the developer's claim, but they don't settle the cause. A Microsoft External Staff moderator replied in the Surface Laptop thread. The reply said the cause could be model preloading, retained memory-mapped resources or a software defect, and the moderator couldn't confirm whether about 5 GB of idle use is expected on a Copilot+ PC. The moderator also wouldn't say whether the issue had been escalated to Windows engineering.

An automated answer in another thread said that on Copilot+ PCs, these components are present and active at the platform level even if the user does not actively use Recall or Click to Do. In other words, this appears to be how the platform is built, not a fault on a few machines.

A caution before you turn everything off​

Disabling the service isn't free. The Surface Laptop user who disabled it called that a workaround rather than a fix and noted it may affect built-in Windows AI features. In the 2025 ASUS thread, another user reported that when I stop the WSAIFabricSvc service, my system starts to lag noticeably. If you depend on Recall, Click to Do or semantic search, expect to lose them.

How to check whether your PC is affected​

You can check for this yourself before installing Wintoys:

  1. Open Task Manager (Ctrl + Shift + Esc) and go to the Details tab.
  2. Look for WorkloadsSessionHost.exe. One instance isn't unusual. Several instances using gigabytes while CPU sits near zero is the pattern the forum reports describe.
  3. Confirm your hardware. If your PC has no NPU, Wintoys won't show the AI components option.
  4. Decide whether you need the AI features. If you use Recall or AI search, turning off the underlying service will affect them.
  5. Create a restore point first. Wintoys' welcome screen includes a shortcut for this.

For readers who prefer to do it by hand, the Microsoft moderator suggested stopping WSAIFabricSvc and setting its startup type to Manual. The Surface Laptop user later reported that setting it to Disabled and restarting kept the processes from returning on that machine. The Intel thread shows the service may still start even when disabled through the registry, so check again after Windows updates.

A new Artificial intelligence section​

Version 3.0 also adds a separate Artificial intelligence section for individual Windows AI features. The changelog lists options for Recall, Click to Do, Writing tools in Notepad, and Agentic search. According to the changelog, if Recall isn't installed, an extra download button appears next to it.

These options only show up when the matching feature exists on the PC. The developer explains that most of these features are found on machines with NPUs. If the whole section is missing, the device either has no NPU or doesn't have Notepad installed.

He also jokes that this isn't a Copilot button in the navigation bar. The section exists to give users control over AI features that are already on the system.

Keep the two controls separate:

ControlLocationWhat it targets
AI componentsOptimizations pageBackground service and WorkloadsSessionHost.exe memory use
Artificial intelligence sectionIts own pageIndividual features (Recall, Click to Do, Notepad writing tools, Agentic search)

Turning off Recall in the second section may not free the memory used by the background service. The Surface Laptop user's report, where removing Recall changed nothing, suggests the same.

Configuration mode for Group Policy​

For IT administrators, the most interesting addition may be Configuration mode, found on Wintoys' Settings page. Where a setting supports both methods, you can choose whether Wintoys applies it as a regular preference (a normal registry setting) or as a policy.

The developer says settings applied as policies now go through the Group Policy engine, so the Group Policy Editor shows the same state Wintoys does. It works in reverse too: if an organization enforces a different value, Wintoys displays that value. The goal is to stop the Group Policy engine from overwriting Wintoys' changes during its refresh, which the developer says happens every 90 minutes, or during a forced organizational sync.

Two caveats:

  • Existing settings are not migrated. Settings you configured before the update stay as they are until you reapply them.
  • Be careful with "Keep existing policies." If you uncheck it, Wintoys resets any policy that overlaps with a preference. The developer warns this may not be a good idea on a device managed by an organization.

The developer calls Wintoys "the first popular Windows utility" to sync properly with Group Policy Editor. That's his own claim, and it hasn't been independently verified.

Profiles: the most-requested feature, and it's paid​

Profiles let you export your current Windows configuration as a readable JSON file and import it later in one click. That's handy for a clean install, setting up several PCs, or sharing a setup with someone. The import includes a compatibility scanner that flags a profile as corrupt, identical to your current setup, or compatible. Incompatible settings are skipped by default, and a tampered or corrupted file is rejected.

Profiles are part of Wintoys+, an optional add-on the developer describes as a lifetime purchase. He says it was delayed by a long-running Microsoft Store bug that stopped apps running as administrator from selling add-ons.

That fix only arrived on Windows 11 builds 26100.9278 or 26200.9278 and newer, so the add-on can't be bought on Windows 10. Because the license is tied to your Microsoft account, buying it on a Windows 11 PC unlocks Profiles on Windows 10 as well.

Everything else in 3.0.10.0​

The changelog includes many smaller changes:

  • File Explorer preloading option under Optimizations, for Windows 11 builds 26100.8328 or 26200.8328 and newer.
  • New privacy controls for device search history, lock screen notifications and communication with unpaired devices, plus toggles for online tips in the Settings app and the desktop's "Learn more about this picture" icon. All are listed as working on Windows 10 and 11.
  • WPBT option on the Health page, shown only on devices where the PC maker has configured a Windows Platform Binary Table.
  • Storage cleaner improvements: C: drive usage stats with a progress bar, and scans that now include hidden and system files. The developer says that may make the "can be freed" total slightly larger than before.
  • Pending settings dialog: changes that need an Explorer or system restart are listed in the order you made them, with a counter in the navigation bar.
  • System updates: the option to disable updates is replaced with a 20-year pause, because Windows kept undoing the old change.
  • Classic context menu option hidden from build 26340.9577 onward, after Microsoft changes stopped it from working.
  • Automatic rollback: a setting that fails to apply now reverts, so the interface shows the real state.
  • Under the hood: an upgrade to Windows App SDK 2.6.5 and a rebuild of the user controls for better performance.

Should you install it?​

For Copilot+ PC owners who see a pile of idle WorkloadsSessionHost.exe processes in Task Manager, the AI components switch is an easier option than editing services by hand. The forum evidence shows the memory use is real on some machines.

It's still a workaround. Neither Microsoft nor the forum threads have confirmed whether the behavior is intended or a bug. The 11 GB to 5 GB result comes from one developer's tablet, and at least one user reported lag after stopping the service. The cautious approach is to check Task Manager first, create a restore point, and treat any RAM you get back as a bonus rather than a given.

Version 3.0 is also more useful for IT administrators. Configuration mode fixes a common problem with tweaking tools whose changes get overwritten by Group Policy, as long as you remember to reapply your existing settings and don't reset policies on managed machines.

Wintoys 3.0.10.0 is available through the Microsoft Store. Profiles require the paid Wintoys+ add-on.

 

References

  1. Near 5-star rated Windows 11 customization app Wintoys now lets you save massive RAM Neowin 2026-11-13T12:46:01+00:00
  2. WorkloadsSessionHost using 4GB RAM on Copilot+ PC - Microsoft Q&A learn.microsoft.com
  3. Windows 11 25H2: WSAIFabricSvc launches 8 WorkloadsSessionHost processes and consumes about 5 GB of RAM - Microsoft Q&A learn.microsoft.com