{"id":1189,"date":"2021-07-17T04:38:28","date_gmt":"2021-07-17T04:38:28","guid":{"rendered":"https:\/\/www.velaninfo.com\/rs\/?post_type=techtips&p=1189"},"modified":"2021-07-17T04:38:28","modified_gmt":"2021-07-17T04:38:28","slug":"powershell-restart-app-process","status":"publish","type":"techtips","link":"https:\/\/www.velaninfo.com\/rs\/techtips\/powershell-restart-app-process\/","title":{"rendered":"How to Use PowerShell to Restart a Crashed or Closed App\/Process?"},"content":{"rendered":"

Learn how to use PowerShell to check if a given application or process is running, as well as how to automatically resume it in the event of a crash, a user closing it by accident, or it consuming a lot of memory (memory leak).<\/p>\n

If (!(Get-Process -Name notepad -ErrorActionSilentlyContinue))<\/em><\/p>\n

{Invoke-Item C:\\Windows\\notepad.exe<\/em><\/p>\n

}<\/em><\/p>\n

If a process doesn’t reply (hangs) or starts to use too much memory (over 1000 MB in this case), you can have it immediately restarted:<\/p>\n

$proc = Get-Process -Name notepad| Sort-Object -Property ProcessName -Unique<\/em><\/p>\n

If (($proc.Responding -eq $false) \u2013or ($proc.WorkingSet -GT 1000000*1024)} {<\/em><\/p>\n

$proc.Kill()<\/em><\/p>\n

Start-Sleep -s 10<\/em><\/p>\n

Invoke-Item C:\\Windows\\notepad.exe<\/em><\/p>\n

}<\/em><\/p>\n

You can create an endless loop using PowerShell for loop that launches a process, checks if it is running every 60 seconds, and restarts it if necessary:<\/p>\n

for(;;){<\/p>\n

try{<\/p>\n

If (!(Get-Process -Name notepad -ErrorActionSilentlyContinue))<\/p>\n

{Invoke-Item C:\\Windows\\notepad.exe}<\/p>\n

$proc = Get-Process -Name notepad | Sort-Object -Property ProcessName -Unique -ErrorActionSilentlyContinue<\/p>\n

If (!$proc -or ($proc.Responding -eq $false) \u2013or ($proc.WorkingSet -GT 200000*1024)) {<\/p>\n

$proc.Kill()<\/p>\n

Start-Sleep -s 10<\/p>\n

Invoke-Item C:\\Windows\\notepad.exe}<\/p>\n

}<\/p>\n

catch\u00a0\u00a0\u00a0 {\u00a0\u00a0\u00a0 }<\/p>\n

Start-sleep -s 60<\/p>\n

}<\/p>\n

This command can be used to verify the status of a process on a remote computer:<\/p>\n

$proc = Get-Process -ComputerNameSRV1-VISPL211 -Name notepad | Sort-Object -Property ProcessName -Unique -ErrorActionSilentlyContinue<\/em><\/p>\n

You can use the Invoke-Command cmdlet to start a process from remote:<\/p>\n

Invoke-Command -ComputerNameSRV1-VISPL211 -Credential $Cred -ScriptBlock {Start-Process C:\\Windows\\notepad.exe -wait -verb runas;}<\/em><\/p>\n

This PowerShell script can be used as a GPO logon script at user logon.<\/p>\n

The PowerShell code should then be saved as a *.PS1 file. You can use a digital signature to sign the script, update the PowerShell Execution policy settings, or use the \u2013ExecutionPolicy Bypass option to launch the script.<\/p>\n

File name: %windir%\\System32\\WindowsPowerShell\\v1.0\\powershell.exe<\/p>\n

Running options: -windowstyle hidden -ExecutionPolicy Bypass \u2013Noprofile -file %~dp0CheckProcess.ps1<\/p>\n

The Task Scheduler can also be used to run a PS1 script on a regular basis. The same run options should be used. You can optionally select a user account for the process to operate under.<\/p>\n

$Action= New-ScheduledTaskAction -Execute “PowerShell.exe” -Argument “-windowstyle hidden -ExecutionPolicy Bypass -file %windir%\\CheckProcess.ps1”<\/em><\/p>\n

$Trigger= New-ScheduledTaskTrigger -AtLogon<\/em><\/p>\n

$Principal=New-ScheduledTaskPrincipal -UserId “jsmith” -LogonType Interactive<\/em><\/p>\n

$Task=New-ScheduledTask -Action $Action -Trigger $Trigger -Principal $Principal<\/em><\/p>\n

Register-ScheduledTask -TaskName “Check Notepad Process” -InputObject $Task<\/em><\/p>\n

At Velan, our server support engineers can manage your server.\u00a0If you are interested in our service, please fill the Quick connect form to get in touch with us<\/strong><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Learn how to use PowerShell to check if a given application or process is running, as well as how to automatically resume it in the event of a crash, a user closing it by accident, or it consuming a lot of memory (memory leak). If (!(Get-Process -Name notepad -ErrorActionSilentlyContinue)) {Invoke-Item C:\\Windows\\notepad.exe } If a process… Continue Reading \"Continue<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"class_list":["post-1189","techtips","type-techtips","status-publish","hentry","Categories_tech_tip-core-server-windows","Categories_tech_tip-powershell","Categories_tech_tip-server-windows","Categories_tech_tip-windows"],"yoast_head":"\nHow to use PowerShell to Restart Apps on Windows | Velan<\/title>\n<meta name=\"description\" content=\"If you\u2019re familiar with the Windows PowerShell terminal, you can use it to force quit apps on Windows using the taskkill command.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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