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Windows Installer keeps coming up with no details

It keeps opening when i open emails and software. there are no program details. I uninstalled and reinstalled to no avail. i tried different virus and spyware finders with no results at first but upon running defender again todqay, it found CmdLineCM. it removed it but i still have the same issue. any ideas?
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A have never seen this but i have an idea none the less.

To find out what it is actually trying to install / update then you may be able to browse to any .msi (installation package). It should then thow an error stating that this msi is not a valid installer for xxx (xxx is the appliaction that it is trying to install).

Hi Robert,

Check the Event log (for MsiInstaller entries). This detailed guide should get you going.

Windows Installer: Dealing with installation failures:
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how do i check the event log?
thank you
Click Start, Run and type EVENTVWR.MSC
In the "Application" section, check for entries with "MsiInstaller" string as the source.

Thank you. i just happened to have an It guy stop by for something and we found it to be Acrobat Pro conflicting with a newly installed printer. I wanted to split the solution credit as you both helped but couldn't find how to do so.
Many thanks
thank you Robert you can re-open the question and split points.