Is "Disable NDU" safe to switch on?

Worth it only if you see the non-paged memory growth Ndu is known for. Otherwise it is tidying, not performance. The main cost: The data usage page in Settings and the network column for apps in Task Manager stop counting.

Is "Disable NDU" free in Frozen Tweaks?

It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.

Ndu service: what Network Data Usage monitoring does and whether to disable it

Frost LIVENetworkProUndo: PartialUpdated Oct 8, 2026View as Markdown

Short answer

Updated Oct 8, 2026

Ndu is the driver behind the per-app data usage numbers in Windows Settings and Task Manager. It watches every connection to count bytes per app. This tweak sets it to Disabled, so it no longer loads at boot. It sets the Ndu service to Disabled.

In the app

Disable NDUPRO

Service

Ndu Windows Network Data Usage Monitoring Driver

Startup typeManualDisabled

What the switch writes. Your current value may differ.

What it does

In the app the switch is called "Disable NDU", described there as: Disables Network Data Usage service to reduce network stack overhead.

When it helps, and when it hurts

When it helps

PCs where Ndu is tied to steadily growing memory use (a known issue on some network drivers).

When it hurts

The data usage page in Settings and the network column for apps in Task Manager stop counting.
On a healthy system the difference is too small to measure.

What it writes

Exactly what the switch changes, read from the app's source. Switching it off is what the app writes when you turn the tweak off again.

Windows services the switch changes: their startup type.
Service	With the tweak	Switching it off
NduWindows Network Data Usage Monitoring Driver	Disabled	Manual

From the app's source (tweaks_ndu.hpp), app 2.0.0, checked Oct 8, 2026.

The same change by hand

You do not need the app for this one. These commands make the changes from the table above. Run them in a Command Prompt opened as administrator, and make a restore point first.

Make the change · CMD

sc config "Ndu" start= disabled

Put it back · CMD

sc config "Ndu" start= demand

How to undo it

In the app: Partial

Switching it off sets the Network Data Usage driver to Manual. Windows ships it as Automatic, so network data usage tracking may stay off until you change it back.

Switch the tweak off in Frozen Tweaks. It sets Ndu to Manual. Switching it off sets the Network Data Usage driver to Manual. Windows ships it as Automatic, so network data usage tracking may stay off until you change it back.

Changing several settings at once? The app's Make a restore point button, on every plan, makes a Windows restore point before you start.

Verdict

Worth it only if you see the non-paged memory growth Ndu is known for. Otherwise it is tidying, not performance.

Questions

What does the "Disable NDU" tweak change in Windows?: It sets the Ndu service to Disabled.
Is "Disable NDU" safe to switch on?: Worth it only if you see the non-paged memory growth Ndu is known for. Otherwise it is tidying, not performance. The main cost: The data usage page in Settings and the network column for apps in Task Manager stop counting.
How do I undo it?: Switch the tweak off in Frozen Tweaks. Switching it off sets the Network Data Usage driver to Manual. Windows ships it as Automatic, so network data usage tracking may stay off until you change it back.
Is "Disable NDU" free in Frozen Tweaks?: It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.

In the app