What to do if win11 cannot open windows security program

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You can manage notifications and actions in Windows through settings to stay focused and track important reminders. 1. Open "Settings" (Win I), enter "System>Notifications", and you can turn off notifications globally or manage notification permissions one by one, including banners, sounds and lock screen displays. 2. Select "Off", "Priority Only" or "Alarm Only" mode in "Focus Assist", and customize the priority apps and contacts. You can also set the automatic activation time or turn it on when projecting screens or playing games. 3. Open the Operation Center (Windows10) or Notification Center (Windows11) through the taskbar icon or swipe right, and clear all or individual notifications, and edit common shortcut buttons in "Quick Action". 4. Other prompts include closing notifications

First, run Windows Update troubleshooter to automatically repair common problems, 1. Run Windows Update troubleshooter; 2. Check network connection and proxy settings to ensure that you can access the Windows Update Server; 3. Use DISM command to repair component storage, and specify the local Windows ISO source if necessary; 4. Manually specify the ISO source path when installing optional functions through PowerShell; 5. Reset Windows Update component services and clear cache; 6. Run sfc/scannow and chkdsk to check system and disk errors; finally ensure that the system is updated to the latest and use official ISO first to solve the problem of missing files, and in most cases, you can successfully repair 0x800f0954 errors

Permanently stop Windows system updates: Use the Group Policy Editor: Double-click "Auto Update" settings and select "Disabled". Using the Registry Editor: Set the data value of "NoAutoUpdate" to "1". Advantages: Completely stop future updates and free up storage space. Disadvantages: Increased security risks, loss of functions, and incompatibility problems. Note: Use only after understanding the risks, you will be responsible for the consequences.

RuntheWindowsUpdateTroubleshooterviaSettings>Update&Security>Troubleshoottoautomaticallyfixcommonissues.2.ResetWindowsUpdatecomponentsbystoppingrelatedservices,renamingtheSoftwareDistributionandCatroot2folders,thenrestartingtheservicestocle

First check the hardware and connection, replace the mouse, use different USB ports, replace the wireless mouse battery, avoid using the USB hub and reduce wireless interference; 2. Update or reinstall the mouse driver, automatically update through the device manager or download the latest driver from the manufacturer's official website, uninstall if necessary and restart the system to reinstall; 3. Adjust the mouse and power settings, turn off the "Improve pointer accuracy" option, and disable all USB root hubs in the device manager to enable the computer to turn off this device to save power; 4. Turn off the high-occupancy applications and services in the background, troubleshoot programs with high resource occupancy through the task manager, manage startup items or perform clean boots to troubleshoot conflicting software; 5. Update the Windows system and BIOS, and install the latest system supplement

To restore Windows system fonts, please first check whether you have modified the font using a third-party tool. If so, reset the "Restore Default" option of the tool; if no tool is available, you can manually locate HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Fonts through the registry editor to ensure that the font value of SegoeUI is correctly pointed to segoeui.ttf and other files, and back up the registry if necessary; then run the command prompt as an administrator and execute the sfc/scannow command to repair the system files; finally go to Settings → Personalization → Theme, and select Windows to light it by default.

Connectyourmonitorsusingappropriatecablesandpowerthemon.2.OpenDisplaysettingsbyright-clickingthedesktopandselect"Displaysettings"todetectmonitors.3.Arrangedisplayiconstomatchyourphysicalsetup,setaprimarydisplay,andadjustresolutionandscaling