Automate and Run Multiple EXE Files Concurrently — Step-by-Step Tools Guide

Automate and Run Multiple EXE Files Concurrently — Step-by-Step Tools Guide

Overview

A concise guide for automating the simultaneous launch of multiple Windows .exe programs. Useful for testing, batch workflows, demonstrations, or launching grouped utilities at startup.

Tools you can use

• Windows Task Scheduler — built-in; schedule coordinated tasks.
• Batch (.bat) scripts — lightweight, no extra software.
• PowerShell scripts — more control (Start-Process, jobs, Runspaces).
• NirCmd / PsExec — small utilities for remote or elevated launches.
• AutoHotkey — GUI automation and hotkeys for grouped launches.
• Process Lasso / Parallel — third-party apps designed for process control and parallel execution.
• Commercial automation tools (e.g., Automation Anywhere, UiPath) — for complex enterprise workflows.

Step-by-step: simple batch script (recommended for most users)

1. Open Notepad.
2. Add lines to start each EXE without waiting:

   Code
   Copy CodeCopied
   start “” “C:\Path\To\App1.exe” start “” “C:\Path\To\App2.exe” start “” “C:\Path\To\App3.exe” 

3. Save as run-multiple.bat (choose “All Files” and .bat extension).
4. Double-click the .bat to run; all specified EXEs will launch concurrently.

Step-by-step: PowerShell (better control & logging)

1. Open a text editor and create a .ps1 file:

   powershell
   Copy CodeCopied
   \(programs</span><span> = @</span><span class="token" style="color: rgb(57, 58, 52);">(</span><span> </span><span></span><span class="token" style="color: rgb(163, 21, 21);">"C:\Path\To\App1.exe"</span><span class="token" style="color: rgb(57, 58, 52);">,</span><span> </span><span>  </span><span class="token" style="color: rgb(163, 21, 21);">"C:\Path\To\App2.exe"</span><span class="token" style="color: rgb(57, 58, 52);">,</span><span> </span><span>  </span><span class="token" style="color: rgb(163, 21, 21);">"C:\Path\To\App3.exe"</span><span> </span><span></span><span class="token" style="color: rgb(57, 58, 52);">)</span><span> </span> <span></span><span class="token" style="color: rgb(54, 172, 170);">\)jobs = foreach (\(p</span><span> in </span><span class="token" style="color: rgb(54, 172, 170);">\)programs) {
     Start-Job -ScriptBlock { param(\(path</span><span class="token" style="color: rgb(57, 58, 52);">)</span><span> </span><span class="token" style="color: rgb(57, 58, 52);">Start-Process</span><span> </span><span class="token" style="color: rgb(57, 58, 52);">-</span><span>FilePath </span><span class="token" style="color: rgb(54, 172, 170);">\)path } -ArgumentList \(p</span><span> </span><span></span><span class="token" style="color: rgb(57, 58, 52);">}</span><span> </span> <span></span><span class="token" style="color: rgb(0, 128, 0); font-style: italic;"># Optional: wait for all to start and get status</span><span> </span><span></span><span class="token" style="color: rgb(54, 172, 170);">\)jobs | Wait-Job
   $jobs | Receive-Job
   

2. Run in PowerShell (may need to set ExecutionPolicy).

Advanced: using Runspaces for high performance

• Use PowerShell runspaces to avoid Start-Job overhead when launching many processes rapidly.

Handling elevated permissions

• Use Task Scheduler to run with highest privileges or configure a shortcut to “Run as administrator”.
• PsExec can launch processes in system context remotely or locally.

Tips & best practices

• Use full paths and quote paths containing spaces.
• Redirect logs if processes write to stdout/stderr.
• Consider startup order if some apps depend on others — add short delays (timeout /t or Start-Sleep).
• Monitor CPU/memory if launching many apps; use Process Explorer or Task Manager.
• For GUI automation after launch, use AutoHotkey or PowerShell’s SendKeys sparingly.

When to use commercial automation

• Choose UiPath/Automation Anywhere if you need UI element recognition, retries, error handling, orchestration, or enterprise scheduling.

Quick troubleshooting

• If EXE doesn’t start: check path, permissions, dependencies, and antivirus blocking.
• If only one instance runs: check if the app prevents multiple instances; use command-line switches or separate user sessions.