DisableFileSyncNGSC: turning OneDrive sync off by policy without uninstalling it
Short answer
UpdatedDisableFileSyncNGSC is the Windows policy that stops the OneDrive client from syncing and removes it from File Explorer. OneDrive stays installed; it is just not allowed to run its sync engine. In the registry it sets DisableFileSyncNGSC to 1 under HKLM\SOFTWARE\Policies\Microsoft\Windows\OneDrive.
HKLMSOFTWARE\
DisableFileSyncNGSCNot set1
What it does
DisableFileSyncNGSC is the Windows policy that stops the OneDrive client from syncing and removes it from File Explorer. OneDrive stays installed; it is just not allowed to run its sync engine.
In the app the switch is called "Disable OneDrive (Policy)", described there as: Blocks OneDrive sync to reduce background I/O and context menu hooks.
When it helps, and when it hurts
When it helps
- PCs where OneDrive syncs screenshots, clips or game folders while you play, which costs disk and upload.
When it hurts
- Files stop syncing to the cloud, and folders redirected into OneDrive (Desktop, Documents) no longer back up.
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.
| Key and value | With the tweak | Switching it off |
|---|---|---|
| HKLMSOFTWARE\ | 1 | Not setThe value is deleted. Windows decides. |
From the app's source (tweaks_onedrive.hpp), app 2.0.0, checked .
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.
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\OneDrive" /v "DisableFileSyncNGSC" /t REG_DWORD /d 1 /freg delete "HKLM\SOFTWARE\Policies\Microsoft\Windows\OneDrive" /v "DisableFileSyncNGSC" /freg query "HKLM\SOFTWARE\Policies\Microsoft\Windows\OneDrive" /v "DisableFileSyncNGSC"How to undo it
In the app: Yes
Switching it off sets a standard Windows value, which may not be exactly how you had it.
Switch the tweak off in Frozen Tweaks. It deletes DisableFileSyncNGSC, so Windows uses its built-in behavior again.
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
Use it if you do not rely on OneDrive. If you do, pause syncing during games instead.
Questions
- What does the "Disable OneDrive (Policy)" tweak change in Windows?
- In the registry it sets DisableFileSyncNGSC to 1 under HKLM\SOFTWARE\Policies\Microsoft\Windows\OneDrive.
- Is "Disable OneDrive (Policy)" safe to switch on?
- Use it if you do not rely on OneDrive. If you do, pause syncing during games instead. The main cost: Files stop syncing to the cloud, and folders redirected into OneDrive (Desktop, Documents) no longer back up.
- How do I undo it?
- Switch the tweak off in Frozen Tweaks. Switching it off sets a standard Windows value, which may not be exactly how you had it.
- Is "Disable OneDrive (Policy)" free in Frozen Tweaks?
- Yes. It is one of the free tweaks, with no time limit.
In the app
- Switch
- Disable OneDrive (Policy)
- Category
- Debloat
- Plan
- Free
- Undo
- Yes
Related guides
- Windows 11 Gaming Optimization: What Still Works in 2026An honest audit of Windows 11 gaming tweaks: which settings still measurably help in 2026, which are placebo, and which quietly cost you security.8 min read
- Low-End PC Gaming Optimization: Getting Playable Frame RatesWhat actually works on a weak PC, in order, including the one upgrade that beats every software tweak combined, and honest limits on what tuning can do.7 min read
More tweak explainers
- Tips and suggested contentContentDeliveryManager is the part of Windows that shows tips, suggests apps in Start and can install promoted apps without asking.2 min read
- Windows Error ReportingWindows Error Reporting collects a crash dump when a program fails and can send it to Microsoft. What it changes, when it hurts, and how to undo it.2 min read
- Remove Microsoft EdgeThis removes the Edge browser, disables the two Edge Update services and their scheduled tasks, and sets the policy that keeps Windows from installing Edge.2 min read
In the app
- Category
- Debloat
- Plan
- Free
- Undo
- Yes
Frozen Tweaks
Free for Windows 10 and 11
58 tweaks free, each with an undo switch. Never edits game files.
v2.0.0 · 6.4 MB · Windows 10 and 11, 64-bit · free account, no payment details
Or type frozentweaks.com on your PC.

The free Windows app for competitive games.
58 tweaks free, each with an undo switch. Never edits game files.
v2.0.0 · 6.4 MB · Windows 10 and 11, 64-bit · free account, no payment details
Frozen Tweaks runs on Windows. Send the link to your PC and download it there.
Or type frozentweaks.com on your PC.
