What is the default value of UseNexusForGameBarEnabled?

The Windows default of UseNexusForGameBarEnabled is 1. Frozen Tweaks sets it to 0, and switching the tweak off puts back the value you had before.

Is "Disable Game Bar Controller Button" safe to switch on?

Safe. It affects the shortcut only. The main cost: You open Game Bar with Win + G instead.

Switch the tweak off in Frozen Tweaks. Switching it off puts back exactly what was there before, value for value.

Is "Disable Game Bar Controller Button" free in Frozen Tweaks?

Yes. It is one of the free tweaks, with no time limit.

UseNexusForGameBarEnabled 0: stop the Xbox controller button from opening Game Bar

Frost LIVEWindowsFreeUndo: YesUpdated Oct 8, 2026View as Markdown

Short answer

Updated Oct 8, 2026

Pressing the Xbox button on a controller opens Game Bar by default. UseNexusForGameBarEnabled set to 0 turns that off, so the button is left to the game or to Steam. In the registry it sets UseNexusForGameBarEnabled to 0 under HKCU\Software\Microsoft\GameBar.

In the app

Disable Game Bar Controller ButtonFREE

Registry

HKCUSoftware\Microsoft\GameBar

UseNexusForGameBarEnabledYour previous value0

What the switch writes. Your current value may differ.

What it does

Pressing the Xbox button on a controller opens Game Bar by default. UseNexusForGameBarEnabled set to 0 turns that off, so the button is left to the game or to Steam.

In the app the switch is called "Disable Game Bar Controller Button", described there as: Stops the Xbox button on a controller from opening Game Bar in the middle of a game.

When it helps, and when it hurts

When it helps

Controller players who open Game Bar by accident, or who want Steam's overlay on that button.

When it hurts

You open Game Bar with Win + G instead.

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.

Registry values the switch writes.
Key and value	With the tweak	Switching it off
HKCUSoftware\Microsoft\GameBarUseNexusForGameBarEnabled	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 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

reg add "HKCU\Software\Microsoft\GameBar" /v "UseNexusForGameBarEnabled" /t REG_DWORD /d 0 /f

Put it back · CMD

reg add "HKCU\Software\Microsoft\GameBar" /v "UseNexusForGameBarEnabled" /t REG_DWORD /d 1 /f

See what it is set to now · CMD

reg query "HKCU\Software\Microsoft\GameBar" /v "UseNexusForGameBarEnabled"

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. It affects the shortcut only.

Questions

What does the "Disable Game Bar Controller Button" tweak change in Windows?: In the registry it sets UseNexusForGameBarEnabled to 0 under HKCU\Software\Microsoft\GameBar.
What is the default value of UseNexusForGameBarEnabled?: The Windows default of UseNexusForGameBarEnabled is 1. Frozen Tweaks sets it to 0, and switching the tweak off puts back the value you had before.
Is "Disable Game Bar Controller Button" safe to switch on?: Safe. It affects the shortcut only. The main cost: You open Game Bar with Win + G instead.
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 Game Bar Controller Button" free in Frozen Tweaks?: Yes. It is one of the free tweaks, with no time limit.

In the app