“Another installation is in progress” is prompted when win7 installs new applications

How did “people you might know” find you on social software>>>

phenomenon: prompt “error 1500. Another installation is in progress. You must complete that installation before continuing this one.”


disable in system services: Windows Installer

restart the computer

delete the following key values from regedit: HKEY_ LOCAL_ MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\InProgress

to use in system services: Windows Installer

Congratulations, you are ready to install the new app

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