"Start-Process -NoNewWindow cmd.exe" will break the screen and will not accept input. #18977

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opened 2026-01-31 06:30:12 +00:00 by claunia · 0 comments
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Originally created by @ardotsis on GitHub (Nov 29, 2022).

Windows Terminal version

1.15.2875.0

Windows build number

10.0.22623.0

Other Software

No response

Steps to reproduce

  1. Start PowerShell on WindowsTerminal.
  2. Type Start-Process -NoNewWindow cmd.exe (powershell.exe had the same effect.)

Expected Behavior

No response

Actual Behavior

Two processes are launched in one window. The screen is corrupted and does not accept user input properly.
I would suggest that some sort of restriction be placed on the commands.
(This bug report has been translated. Sorry if anything is unclear.)

Originally created by @ardotsis on GitHub (Nov 29, 2022). ### Windows Terminal version 1.15.2875.0 ### Windows build number 10.0.22623.0 ### Other Software _No response_ ### Steps to reproduce 1. Start PowerShell on WindowsTerminal. 2. Type `Start-Process -NoNewWindow cmd.exe` (`powershell.exe` had the same effect.) ### Expected Behavior _No response_ ### Actual Behavior Two processes are launched in one window. The screen is corrupted and does not accept user input properly. I would suggest that some sort of restriction be placed on the commands. (This bug report has been translated. Sorry if anything is unclear.)
claunia added the Needs-TriageIssue-Bug labels 2026-01-31 06:30:12 +00:00
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Reference: starred/terminal#18977