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Technical Articles

System Tutorial

Resolving 'The application was unable to start correctly' Error in Windows

Ifyouget"Theapplicationwasunabletostartcorrectly"onWindows,trythesesteps:1.Runasadministrator.2.ReinstallMicrosoftVisualC Redistributables.3.Runsfc/scannowtofixsystemfiles.4.Updateorrollbackgraphicsdrivers.5.Disablecompatibilitymode.

Sep 07, 2025 am 07:09 AM

windows mistake

How to change your user account name in Windows

TochangeyouruseraccountnameinWindows,useSettingsforMicrosoftaccounts,ControlPanelforlocalaccounts,ComputerManagement,CommandPrompt,oredittheregistryfordisplaynamechanges.Restartafterapplyingchanges.

Sep 07, 2025 am 07:06 AM

windows User Account

Fresh Guide: Resolve Windows Taskbar Not Hiding in Fullscreen

IftheWindowstaskbarfailstohideinfullscreen,trythesesteps:1.Enableauto-hideintaskbarsettings.2.Modifytheregistrytoforcehiding.3.RestartWindowsExplorerviaTaskManager.4.Updateorreinstallgraphicsdrivers.5.Disablefullscreenoptimizationsfortheapp.

Sep 07, 2025 am 07:05 AM

full screen

How to find and recover a BitLocker recovery key for Windows

CheckyourMicrosoftaccountathttps://account.microsoft.com/devices,signin,locateyourdevice,andretrievethe48-digitBitLockerrecoverykeyfromthedevicedetails.2.Forworkorschooldevices,accessAzureADviahttps://myapps.microsoft.comorcontactyourITdepartmenttore

Sep 07, 2025 am 07:04 AM

Fixed: Windows Printer Driver Is Unavailable

Checkenheprinter’spower, Connections, and Status, Ensuringit’sonthesenworkasthepcandfreeoferrors, Thenrestartbothdevices.2.Upda tethedriverviadevicemanagerordownownloadandstallthelatestriverfromthemanufacturer’swebsite.3.Removeandinstalltheprinterthro

Sep 07, 2025 am 07:03 AM

java programming

How to find your product key in Win11

IfyouneedtofindyourWindows11productkey,trythesemethods:1.UseCommandPromptwithadminrightsandrunwmicpathsoftwarelicensingservicegetOA3xOriginalProductKey.2.OpenPowerShellasadminandenter(Get-WmiObject-Query'SELECTOA3xOriginalProductKeyFROMSoftwareLicens

Sep 07, 2025 am 07:02 AM

win11 product key

How to find saved Wi-Fi passwords in Windows

ToviewasavedWi-FipasswordinWindows,gotoSettings>Network&Internet>Wi-Fi>Manageknownnetworks,selectthenetwork,clickProperties,andcheckShowcharactersintheSecuritysection.2.Alternatively,useCommandPromptasadministratorandrun"netshwlansh

Sep 07, 2025 am 07:01 AM

How to Fix 'Windows Update Cannot Currently Check for Updates' Error

IfWindowsUpdatecan'tcheckforupdates,trythesesteps:1.RestarttheWindowsUpdateservice.2.Runthebuilt-inWindowsUpdatetroubleshooter.3.CleartheSoftwareDistributionfolder.4.ResetupdatecomponentsviaCommandPrompt.

Sep 07, 2025 am 07:00 AM

Fixed: Windows Is Not Recognizing My Microphone

Check the physical connection and hardware to ensure that the microphone is correctly inserted, not blocked or damaged; 2. Enable microphone permissions in Windows settings to ensure that the system and specific applications allow access to the microphone; 3. Select the correct input device in the sound settings and set it as default to ensure that the microphone is not disabled and that the input signal can be detected; 4. Update or reinstall the audio driver, and you can automatically update and download the latest driver from the manufacturer's website through the Device Manager; 5. Run the built-in audio troubleshooting tool in Windows to automatically detect and repair common problems; 6. Check the microphone settings of the specific application to ensure that the correct input device is selected and the application has the corresponding permissions. Follow the above steps to check one by one, which can usually solve the problem that the Windows computer cannot recognize the microphone.

Sep 07, 2025 am 06:57 AM

windows microphone

How to Fix Windows 'System Service Exception' Error

Ifyouencounterthe"SystemServiceException"error,trythesesteps:1.Updateorrollbackdrivers.2.Runsfc/scannowtofixsystemfiles.3.Performacleanboot.4.InstalllatestWindowsupdates.5.RuntheBlueScreentroubleshooter.6.TestRAMforerrors.

Sep 07, 2025 am 06:50 AM

How to use the Performance Monitor (perfmon) in Windows

TousePerformanceMonitoreffectively,firstopenitbypressingWin R,typingperfmon,andpressingEnter,orbysearchingfor"PerformanceMonitor"intheStartmenu.Next,forreal-timemonitoring,gotoMonitoringTools>PerformanceMonitor,clickthegreen toaddcounter

Sep 07, 2025 am 06:49 AM

windows Performance monitoring

How to check for failed login attempts in Linux

Check/var/log/auth.logonDebian/Ubuntuor/var/log/secureonRHEL/CentOSforfailedloginattempts;usegreptofilterentrieslike"Failedpassword"andjournalctlforsystemdlogstodetectunauthorizedaccessattempts.

Sep 07, 2025 am 06:33 AM

linux Login failed

How to clone a disk in Linux

ThemostreliablewaytocloneadiskinLinuxisusingtheddcommand,whichcreatesabyte-for-bytecopy.First,uselsblktoidentifysourceandtargetdisks,thenrunsudoddif=/dev/sdaof=/dev/sdbbs=4Mstatus=progressconv=fsync,ensuringthedestinationisequalorlargerinsize.Afterco

Sep 07, 2025 am 06:28 AM

linux 磁盤克隆

Fix: Windows Hello isn't available on this device

IfWindowsHelloisn'tavailable,checkhardwarecompatibility,enableBiometricServiceandrelatedservices,updateorreinstallbiometricdrivers,runtheWindowsHellotroubleshooter,andverifyGroupPolicyorRegistrysettingsallowitsuse.

Sep 07, 2025 am 06:14 AM