Windows “Another installation is already in progress error”

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“Another program is being installed. Please wait until that installation is complete, and then try installing this software again.”

“Another installation is already in progress. Complete that installation before proceeding with this install.”

“Cannot run when setup is in progress.”

“Another installation is in progress. You must complete that installation before continuing this one.”


If it is due to running “msiexec.exe” try following

1 Copy and save following to Killmsiexec.bat or Killmsiexec.cmd

@echo off
tasklist /fi "imagename eq msiexec.exe" | find /i "msiexec.exe" > nul
if not errorlevel 1 (taskkill /f /im "msiexec.exe") else (
  echo program msiexec.exe is not running

2 Right click and run Killmsiexec.bat or Killmsiexec.cmd with administrator privilege

3 Now try the to install or uninstall the program again

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