• About Us
  • Announce
  • Privacy Policy
  • Contact us
MasterTrend News
  • HOME
    • BLOG
  • Tutorials
  • Hardware
  • Gaming
  • Mobile
  • Security
  • Windows
  • IA
  • Software
  • Networks
  • What's new
  • en_USEnglish
    • es_ESSpanish
    • pt_BRPortuguese
    • fr_FRFrench
    • it_ITItalian
    • de_DEGerman
    • ko_KRKorean
    • jaJapanese
    • zh_CNChinese
    • ru_RURussian
    • thThai
    • pl_PLPolish
    • tr_TRTurkish
    • id_IDIndonesian
    • hi_INHindi
    • arArabic
    • sv_SESwedish
    • nl_NLDutch
No result
See all results
  • HOME
    • BLOG
  • Tutorials
  • Hardware
  • Gaming
  • Mobile
  • Security
  • Windows
  • IA
  • Software
  • Networks
  • What's new
  • en_USEnglish
    • es_ESSpanish
    • pt_BRPortuguese
    • fr_FRFrench
    • it_ITItalian
    • de_DEGerman
    • ko_KRKorean
    • jaJapanese
    • zh_CNChinese
    • ru_RURussian
    • thThai
    • pl_PLPolish
    • tr_TRTurkish
    • id_IDIndonesian
    • hi_INHindi
    • arArabic
    • sv_SESwedish
    • nl_NLDutch
No result
See all results
MasterTrend News
No result
See all results
Start Windows

Windows Security won't open? 9 effective tricks 🚀💻

MasterTrend Insights by MasterTrend Insights
13 November 2025
in Windows
Reading time:8 min read
To To
0
Windows Security Won't Open: 9 Quick Ways to Open It Now!
144
SHARED
399
Views
Share on FacebookShare on Twitter

Contents

  1. Windows Security Won't Open: 9 Quick Ways to Open It Now! 🔓🛡️
  2. Why won't Windows Security open?
    1. 1. Repair Windows Security
    2. 2. Restart the Windows Security app
    3. 3. Restart the Security Center service
    4. 4. Run an SFC scan
    5. 5. Re-register Windows Security apps
    6. 6. Uninstall other antivirus programs
    7. 7. Disable the startup program
    8. 8. Update Windows 11
    9. 9. Restart your Windows 11 PC
    10. Related Posts

Windows Security Won't Open: 9 Quick Ways to Open It Now! 🔓🛡️

Windows 10 and 11 come with a free pre-installed antivirus program called Windows Security. This program protects your computer from various security issues, including malware, viruses, PUPs, and more. 🛡️💻

Additionally, the latest version of Windows Security includes a security feature that protects your computer from attacks. ransomwareIt's a highly reliable security solution that provides real-time antivirus protection. 🔒✨

However, Windows Security no está completamente libre de errores, y muchos usuarios reportan problemas con frecuencia. Por ejemplo, muchos de ellos dicen que el programa no se abre en absoluto. 😩

Why won't Windows Security open?

The Windows Security app may fail to open for several reasons. This could include corrupted system files, invalid registry entries, etc. Here are some notable reasons that can cause these issues:

  • You're using a pirated version of Windows. 🚫
  • The version of Windows Security installed on your device is outdated.
  • Corrupted system files.
  • Invalid or corrupt registry entries.
  • Windows Security app files are corrupted.
  • You are using other security programs on your PC.

If you're experiencing these issues, you've come to the right place. In this article, we'll share a step-by-step guide on how to fix them. solve the opening problem of Windows Security in Windows 11. 📚🖥️

1. Repair Windows Security

In this method, we'll repair the Windows Security app to fix the problem that keeps keeping it from opening. Here's what you need to do:

1. First, click on the Windows 11 start menu and type Windows Security.

2. In the right panel, click App settings.

App Settings

3. Now, scroll down and click on the button Fix, as shown below.

Click on the Repair button

Now, wait for the process to complete. Once it's finished, you should run the app to see if the problem persists. 🕒✅

2. Restart the Windows Security app

In this method, we'll restart the Windows Security app to resolve the issue of it not opening or working in Windows 11. Here are the steps:

1. First, click on the Windows 11 start menu and type Windows Security.

2. In the right panel, click App settings.

App Settings

3. Now, scroll down and click on the button Restore, as shown below.

Reset button

4. Then, follow the on-screen instructions to complete the reset process. 🔄📲

3. Restart the Security Center service

For those who don't know, the Security Center is a Windows service that runs every time you start your PC. Sometimes, the service fails to start, resulting in Windows Security not opening. Therefore, we need to restart the Security Center service to fix this problem. 🔄🔧

1. Press the key combination Windows + R to open the RUN dialog box. In the RUN box, type services.msc and press Enter.

services.msc

2. In Windows services, look for the service Security Center.

Security Center

3. Right-click on the Security Center and select Restart.

De esta manera puedes solucionar el problema de que Windows Security no se abre in Windows 11.

4. Run an SFC scan

System file corruption is another reason why Windows Security won't open. Therefore, we must run an SFC scan To fix corrupted files, here's what to do:

1. First, open Windows search and type Command Prompt.

2. Right-click on Command Prompt and select Run as administrator.

Run as administrator

3. At the Command Prompt, enter sfc /scannow

sfc /scannow

4. Now, wait until the process is complete. If Windows detects any problems, it will automatically fix them. 🔍🛠️

Here's how you can run the SFC command to resolve the Windows Security app not opening or working issue in Windows 11.

5. Re-register Windows Security apps

Re-registering the Windows Security app in Windows 11 has helped many users resolve the issue. If the app still won't open on your device, follow these steps to re-register it via Command Prompt.

1. Write "Command Prompt" in Windows Search 11. Then, right click on the Command Prompt and select Run as administrator.

Run Command Prompt As an Administrator

2. When Command Prompt opens, run this command and press Enter.

Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage

Execute this command

3. If the above command didn't help, run this command:

powershell -ExecutionPolicy Unrestricted Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

execute this command

After running the command, restart your computer and reopen the Windows Security app. 🔄🖥️

6. Uninstall other antivirus programs

Both Windows 10 and Windows 11 don't allow two different antivirus programs to run at the same time. So, if you're using any antivirus software, you'll need to disable it. 🚫

If disabling other antivirus programs doesn't help, uninstall them from your system. Once you've uninstalled other security programs, you should check if Windows Security opens. 🔍

7. Disable the startup program

Aside from antivirus software, several third-party apps and services can disrupt Windows Security. As a result, Windows Security won't openTo resolve this issue, we need to find and disable the problematic launcher app. 🔍🚀

1. Press the key Windows + R to open the RUN dialog box. In the RUN box, enter msconfig and press Enter.

msconfig

2. Select the tab Services in the system configuration window, as shown below.

Services

3. Now, check the box behind Hide all Microsoft services and click on the button Disable all.

Disable All

4. Then, switch to the tab Start, as shown below. Then, click on the link Open Task Manager.

Open Task Manager

5. Under Start, select a program and click the button Disable. Repeat this step until you've disabled all programs. 🔒❌

Disable

After making the changes, restart your Windows 11 PC. Your PC will restart without any third-party apps. If Windows Security opens after the restart, you should review your recently installed apps and programs. 🔄🖥️

8. Update Windows 11

Dado que las Windows Updates 11 deberían traer nuevas funciones, corregir errores y mejorar la seguridad, mantener el sistema operativo actualizado es esencial. 📅✨

Windows Security may not open due to an existing bug that Microsoft has fixed with a system update. Therefore, it's recommended that you update Windows 11 to resolve issues related to these bugs.

Check for updates

For update windows 11, opens Settings > Windows Update and click on the button Check for updates.

9. Restart your Windows 11 PC

If none of this has worked, Reset your Windows 11 PC Restarting your computer at its default startup should be your last resort. You don't need to use the command-line tool to restart your computer, and you won't lose your data. ⚠️📂

In Windows 11, you get the reset options in the Settings app, and you can keep your files. But the reset will still return all settings and apps to their default state. Here's how. restart Windows 11:

1. Click the Windows 11 start button and select Configuration.

Settings

2. When the Settings app opens, switch to Windows Update > Advanced options.

Advanced Options

3. On the right side, click on Recovery.

Recovery

4. Now scroll down to the recovery options and click on the button Reset PC.

Reset PC

5. Now, you must choose whether to keep your files or delete everything. Choose Keep my files if you want to keep your files. 📁💾

Reset this PC prompt

6. After selecting, follow the on-screen instructions to complete the reset process. 🚀🔄

After the restart, open the Windows Security app again. This time, the Windows Security app will open. 🎉✨

We are sure that these methods will help you to solve the problem of the app Windows Security won't open in Windows 11. I hope this article was helpful! Share this with your friends. If you have any questions, let us know in the comments! 📝💬

Share this:
8FacebookLinkedInPinterestXRedditTumblrBlueskyThreadsShareChatGPTClaudeGoogle AIGrok
8
SHARES

Related Posts

  • How to prevent your MacBook from starting up when you open the lid: Quick and easy steps 🛠️
  • Remove Unknown Apps in Windows 11: Discover 8 Secrets! 🔍
  • View CPU temperature in Windows 10
  • Disable Touchpad in Windows 11: Avoid Errors NOW 🎮🚫
  • Fixing Windows Update Errors: 7 Methods
  • Dark Mode in Notepad 🌙 Easy Windows 11 Trick ⚡
  • AirPods as hearing protection: What you need to know about their use
  • Alternatives to Lucky this program: the 12 apps best and easy! 🎮⚡
Tags: EvergreenContentOnline PrivacyWindows10
Previous Publication

How to Check RAM in Windows 11: 6 Easy Methods 🛠️💻

next post

Microsoft Copilot on Telegram: Discover how to use it now! 🤖✨

MasterTrend Insights

MasterTrend Insights

Our editorial team shares a deep-dive analysis, tutorials and recommendations for getting the most out of your devices and digital tools.

RelatedPublications

Resetting graphics card - Woman holding an RTX 3080 Ti graphics card on a computer desk, illustrating a tutorial for restarting or resetting the graphics card in PC gaming.
Windows

Restart your graphics card. Urgent trick to gain FPS 🎮

December 1, 2025
66
Spotify Error 18 - Woman wearing headphones looking at her laptop with Spotify screen displaying the message "Fix Spotify Error Code 18", illustrating a quick fix for Spotify error 18 on Windows.
Windows

Spotify Error 18 Quick Fix Nobody Told You About 🔥

November 30, 2025
66
Windows 11 Language - Couple changing the Windows 11 language on the computer, screen with message "Change system language", tutorial to modify the system language in 1 minute and avoid configuration errors.
Windows

Windows 11 Language: Change it in 1 minute and avoid mistakes 😱

November 28, 2025
140
Protect ZIP - Woman using a laptop to password-protect a compressed file, an example of how to protect a ZIP file with fast encryption and data security methods.
Windows

Protect ZIP files. The easiest way to secure your data today ⚡

November 26, 2025
109
Restart Windows Explorer - Woman restarting Windows Explorer from Task Manager in Windows to fix system errors in seconds.
Windows

Restart Windows Explorer: A Quick Trick That Saves Your PC ⚡

November 21, 2025
197
Hidden Windows Features - Woman using a Windows 11 laptop, exploring hidden Windows features, shortcuts and tricks; calendar and on-screen check, working from home.
Windows

Hidden Windows Features: Activate God Mode and fly ⚡️

November 6, 2025
96
next post
Microsoft Copilot on Telegram

Microsoft Copilot on Telegram: Discover how to use it now! 🤖✨

5 1 vote
Article Rating
Subscribe
Access
Notify of
guest
guest
0 Comments
Oldest
Newest Most voted
Online Comments
See all comments

Stay Connected

  • 976 Fans
  • 118 Followers
  • 1.4 k Followers
  • 1.8 k Subscribers

Do not miss the latest in technology and gaming.
Tips unique, practical guides and analysis every day.

Subscription Form
  • Trends
  • Comments
  • Last
How to add clock on the Windows desktop 11: ¡3 tricks infallible!

How to add clock on the Windows desktop 11: Get more in minutes! ⏱️

1 May 2025
How to save game in REPO

How to save game in REPO 🔥 Discover the secret to not losing progress

7 July 2025
12 Best Alternatives to Lucky this program for Android

Alternatives to Lucky this program: the 12 apps best and easy! 🎮⚡

13 November 2025
🖥️ How to open 'Devices and printers' in Windows 11: 4 simple steps

🌟 How to open ‘Devices and printers’ in Windows 11: ¡Amazing trick!

November 20, 2025
Features of Gmail on Android: Save time with 5 tips

Features of Gmail in Android: you 5 tricks you did not know! 📱✨

12
Repair of motherboards - Repair MotherBoards

Repair of motherboards of Laptops

10
Install Windows 11 Home without Internet

Install Windows 11 Home without Internet

10
How to backup drivers in Windows 11/10 in 4 steps!

How to backup drivers in Windows 11/10 It Prevents errors! 🚨💾

10
Netflix Secret Codes - Woman smiling on the sofa while holding a remote control with a Netflix button, ideal for illustrating Netflix tricks and secret codes to find new series and movies.

Netflix Secret Codes 2025: Quick Access to Hidden Genres 🔥

December 2, 2025
Backup software - Woman using backup software on laptop to back up to the cloud and avoid losing her data today.

Backup software prevents you from losing your data today 🔥💽

December 2, 2025
Alternative Engines - Medieval knights fighting with swords and shields in a realistic role-playing game, example title "Top 10 Games That Don't Use Unreal Engine 5", showing spectacular graphics without using Unreal Engine 5.

Alternative Engines: Epic Performance without Unreal Engine ⚡🎮

December 2, 2025
Uninstall Linux - Chromebook laptop with Linux and terminal on screen next to the Tux mascot, illustrating how to uninstall Linux and clean your Chromebook in 1 minute.

Uninstalling Linux: The trick to deleting hidden apps 😱

December 2, 2025

Recent News

Netflix Secret Codes - Woman smiling on the sofa while holding a remote control with a Netflix button, ideal for illustrating Netflix tricks and secret codes to find new series and movies.

Netflix Secret Codes 2025: Quick Access to Hidden Genres 🔥

December 2, 2025
74
Backup software - Woman using backup software on laptop to back up to the cloud and avoid losing her data today.

Backup software prevents you from losing your data today 🔥💽

December 2, 2025
64
Alternative Engines - Medieval knights fighting with swords and shields in a realistic role-playing game, example title "Top 10 Games That Don't Use Unreal Engine 5", showing spectacular graphics without using Unreal Engine 5.

Alternative Engines: Epic Performance without Unreal Engine ⚡🎮

December 2, 2025
68
Uninstall Linux - Chromebook laptop with Linux and terminal on screen next to the Tux mascot, illustrating how to uninstall Linux and clean your Chromebook in 1 minute.

Uninstalling Linux: The trick to deleting hidden apps 😱

December 2, 2025
61
MasterTrend News logo

MasterTrend Info is your source of reference in technology: discover news, tutorials, and analysis of hardware, software, gaming, mobile, and artificial intelligence. Subscribe to our newsletter and don't miss any trend.

Follow us

Browse by Category

  • Gaming
  • Hardware
  • IA
  • Mobile
  • What's new
  • Networks
  • Security
  • Software
  • Tutorials
  • Windows

Recent News

Netflix Secret Codes - Woman smiling on the sofa while holding a remote control with a Netflix button, ideal for illustrating Netflix tricks and secret codes to find new series and movies.

Netflix Secret Codes 2025: Quick Access to Hidden Genres 🔥

December 2, 2025
Backup software - Woman using backup software on laptop to back up to the cloud and avoid losing her data today.

Backup software prevents you from losing your data today 🔥💽

December 2, 2025
  • About Us
  • Announce
  • Privacy Policy
  • Contact us

Copyright © 2025 https://mastertrend.info/ - All rights reserved. All trademarks are property of their respective owners.

We've detected you might be speaking a different language. Do you want to change to:
es_ES Spanish
es_ES Spanish
en_US English
pt_BR Portuguese
fr_FR French
it_IT Italian
ru_RU Russian
de_DE German
zh_CN Chinese
ko_KR Korean
ja Japanese
th Thai
hi_IN Hindi
ar Arabic
tr_TR Turkish
pl_PL Polish
id_ID Indonesian
nl_NL Dutch
sv_SE Swedish
Change Language
Close and do not switch language
No result
See all results
  • en_USEnglish
    • es_ESSpanish
    • pt_BRPortuguese
    • fr_FRFrench
    • it_ITItalian
    • de_DEGerman
    • ko_KRKorean
    • jaJapanese
    • zh_CNChinese
    • ru_RURussian
    • pl_PLPolish
    • id_IDIndonesian
    • tr_TRTurkish
    • hi_INHindi
    • thThai
    • arArabic
    • sv_SESwedish
    • nl_NLDutch
  • Gaming
  • Hardware
  • IA
  • Mobile
  • What's new
  • Networks
  • Security
  • Software
  • Tutorials
  • Windows

Copyright © 2025 https://mastertrend.info/ - All rights reserved. All trademarks are property of their respective owners.

wpDiscuz
RedditBlueskyXMastodonHacker News
Share this:
MastodonVKWhatsAppTelegramSMSLineMessengerFlipboardHacker NewsMixNextdoorPerplexityXingYummly
Your Mastodon Instance