Stop Windows Mixed Reality from starting: the FirstRunSucceeded value
Short answer
UpdatedWindows Mixed Reality is the headset platform Microsoft has since retired. FirstRunSucceeded set to 0 marks its first run as not done, so its shell does not start by itself. In the registry it sets FirstRunSucceeded to 0 under HKLM\SOFTWARE\Microsoft\Holographic.
HKLMSOFTWARE\
FirstRunSucceeded10
What it does
Windows Mixed Reality is the headset platform Microsoft has since retired. FirstRunSucceeded set to 0 marks its first run as not done, so its shell does not start by itself.
In the app the switch is called "Disable Windows Mixed Reality", described there as: Marks the Mixed Reality first run as not done, so its shell does not start on its own.
When it helps, and when it hurts
When it helps
- Older Windows 10 and 11 versions that still carry the Mixed Reality components.
When it hurts
- Nothing, unless you own a Windows Mixed Reality headset.
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\ | 0 | 1 |
From the app's source (wmroff.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\Microsoft\Holographic" /v "FirstRunSucceeded" /t REG_DWORD /d 0 /freg add "HKLM\SOFTWARE\Microsoft\Holographic" /v "FirstRunSucceeded" /t REG_DWORD /d 1 /freg query "HKLM\SOFTWARE\Microsoft\Holographic" /v "FirstRunSucceeded"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 writes FirstRunSucceeded back to 1.
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
Harmless, and irrelevant on current Windows 11 where the feature is gone.
Questions
- What does the "Disable Windows Mixed Reality" tweak change in Windows?
- In the registry it sets FirstRunSucceeded to 0 under HKLM\SOFTWARE\Microsoft\Holographic.
- What is the standard value of FirstRunSucceeded?
- Frozen Tweaks writes 1 when you switch the tweak off, which is the value it treats as the Windows standard. With the tweak on, FirstRunSucceeded is 0.
- Is "Disable Windows Mixed Reality" safe to switch on?
- Harmless, and irrelevant on current Windows 11 where the feature is gone. The main cost: Nothing, unless you own a Windows Mixed Reality headset.
- 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 Windows Mixed Reality" free in Frozen Tweaks?
- Yes. It is one of the free tweaks, with no time limit.
In the app
- Switch
- Disable Windows Mixed Reality
- 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
- GameInput serviceGameInput is Microsoft's input layer for controllers, wheels and other devices, used by Xbox app games and newer titles. What it changes and how to undo it.2 min read
- Program Compatibility AssistantThe Program Compatibility Assistant watches programs as they start and suggests compatibility settings when an old one fails.2 min read
- Time Broker (TimeBrokerSvc)Time Broker runs the scheduled background tasks of Store apps: live tiles, sync, notifications. 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.
