What Are Their Differences.
That is, this tool opens by itself on startup and then automatically closes.
This is frustrating when you run into this common issue.
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Step 2: ClickMore details > Startup.
Step 3: In the tab, chooseWindows PowerShelland clickDisable.
Or, right-choose PowerShell and selectDisable.

In this folder, some apps and shortcuts are saved.
Once you start up your gear, the apps and shortcuts can run.
As a result, Windows PowerShell keeps popping up on startup.

Step 3: Right-tap on the shortcut and chooseDelete.
Or choose this shortcut and press theDeletekey on your keyboard.
Sometimes you cannot easily tell whether PowerShell is configured to launch on startup or not.

Although Windows PowerShell is configured to open at startup elsewhere, this free program can detect it.
Step 1: Go to theofficial websiteof Microsoft and poke the corresponding link to download Autoruns.
Step 2: After getting theAutoruns.zipfile and unzip it.
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To get it, follow this post -7-Zip Download for Windows 10/11/Mac to Zip/Unzip Files.
Step 3: Double-tap the Autoruns.exe file to run this program.
Step 4: InputPowerShellto the search box.

See how to run scans:
Step 1: In Windows 11/10, run Command Prompt with admin permissions.
How to open Command Prompt (CMD) in Windows 11?
Step 2: Typesfc /scannowand pressEnter.

Then, this tool starts the verification process which may take some time.
SFC scan stuck is a common issue.
And you could also execute the command -chkdsk /f /rin the CMD window.

After finishing all the scans, start your rig and see if Windows PowerShell keeps popping up randomly.
Besides, Microsoft offers a link to download and install its desktop app.
To know details, refer to this post Download/Run/Update/Del Windows Malicious Software Removal Tool.

Step 1: Open theRunwindow by pressingWin + R.
Step 2: Inputmrtto the text box and clickOK.
In addition, you could run other antivirus programs like Windows Defender, Malwarebytes, Avast, etc.
to scan your entire system and remove viruses and malware.
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Have a try as follows:
Step 1: Launch Control Panel and view all the items byLarge icons.
Step 2: ClickTroubleshootingand chooseRun maintenance tasksunderSystem and Security.
Step 3: ClickNextand this troubleshooter starts detecting the issues.

Then, follow the instructions on the screen to finish the troubleshooting.
Step 1: Inputmsconfigto theRunwindow (pressWin + Rto get it) and clickOK.
Step 3: In theStartuptab, launch Task Manager and disable all the third-party startup apps.
Step 4: Reboot Windows 11/10.
If Windows PowerShell wont pop up in this mode, a certain third-party program is a culprit.
Just enable those apps one by one to have a check.
Step 1: In Windows 11/10, launch Command Prompt as an administrator.
Step 3: Wait for the process to complete and then cycle your setup.
If your PC is infected with Powershell.exe virus, your PC may act strangely.
Luckily, you might find fixes to remove the virus in this post.
FAQ 2: Is It Safe to Disable Windows PowerShell?
Of course, this behavior is safe for your setup.
If you need, follow the last method mentioned above to disable it.
FAQ 3: Why Does PowerShell Keep Randomly Popping up?
The reasons for this issue are various and we have mentioned them above.
Suggestion Back up Windows 11/10
Windows PowerShell popping up on startup/randomly is an annoying common issue.
Here, we recommend creating a system image with the professionalfree backup software MiniTool ShadowMaker.
MiniTool ShadowMaker can help a lot when it comes to system image backup.
During the backup process, the backup source is compressed by default, the mode is medium.
Importantly, you could use this software to create a bootable USB flash drive/external hard drive or CD/DVD.
Now, dont hesitate to download MiniTool ShadowMaker and install it on your Windows 11/10/8/7 PC.
Step 2: By default, system-related partitions have been chosen as the backup source.
Also, you could find the destination folder is selected.
If you dont want to back up your PC to that path, re-select it by clickingDestination.
Step 3: ClickBack up Nowto execute the system image now.
After finishing the system backup, go toTools > Media Builderto get a bootable drive or disc.