ShowSyncProviderNotifications 0: removing OneDrive ads from File Explorer
Short answer
UpdatedFile Explorer can show banners from sync providers, which in practice means OneDrive and Microsoft 365 offers. ShowSyncProviderNotifications set to 0 turns them off. In the registry it sets ShowSyncProviderNotifications to 0 under HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced.
HKCUSoftware\
ShowSyncProviderNotificationsYour previous value0
What it does
File Explorer can show banners from sync providers, which in practice means OneDrive and Microsoft 365 offers. ShowSyncProviderNotifications set to 0 turns them off.
In the app the switch is called "Disable File Explorer Ads", described there as: Turns off the sync provider promotions shown inside File Explorer.
When it helps, and when it hurts
When it helps
- No promotional banners inside File Explorer.
When it hurts
- Nothing. Sync itself is not affected.
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 |
|---|---|---|
| HKCUSoftware\ | 0 | Your previous valueSaved before the change, or deleted if there was none.Windows default: 1. |
From the app's source (pack_extra.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 "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "ShowSyncProviderNotifications" /t REG_DWORD /d 0 /freg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "ShowSyncProviderNotifications" /t REG_DWORD /d 1 /freg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "ShowSyncProviderNotifications"How to undo it
In the app: Yes
Switching it off puts back exactly what was there before, value for value.
Switch the tweak off in Frozen Tweaks. The app saved what each value was before the change and writes exactly that back, or removes the value if it did not exist.
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
Safe on every PC.
Questions
- What does the "Disable File Explorer Ads" tweak change in Windows?
- In the registry it sets ShowSyncProviderNotifications to 0 under HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced.
- What is the default value of ShowSyncProviderNotifications?
- The Windows default of ShowSyncProviderNotifications is 1. Frozen Tweaks sets it to 0, and switching the tweak off puts back the value you had before.
- Is "Disable File Explorer Ads" safe to switch on?
- Safe on every PC. The main cost: Nothing. Sync itself is not affected.
- How do I undo it?
- Switch the tweak off in Frozen Tweaks. Switching it off puts back exactly what was there before, value for value.
- Is "Disable File Explorer Ads" free in Frozen Tweaks?
- Yes. It is one of the free tweaks, with no time limit.
In the app
- Switch
- Disable File Explorer Ads
- 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
- 'Finish setting up your device' remindersAfter updates Windows may show a full screen asking you to finish setting up the device, and Settings shows account reminders.2 min read
- Edge startup boost and background modeEdge preloads itself at sign-in (startup boost) and keeps running after you close it so extensions and notifications continue.2 min read
- Chrome background modeChrome can keep running after its last window closes so extensions and notifications continue. What it changes, when it hurts, and how to undo it.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.
