.exe installations fail

By callupchuck ·
I have a client that is unable to run any installations involving .msi files as well as .exe files. The system is clean from what I can tell, as I have run several recommended scanners to search for infections.

Furthermore, even MS updates fail to install once downloaded. They don't give a code, but rather just a small window that states that the install failed.

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Check WIndows Installer Service

by Bizzo In reply to .exe installations fail

It may be that your windows installer service is either disabled or not installed.

Check the services, you should have one called <b>Windows Installer</b> and generally this is set to <b>Manual</b> startup.

If you don't have the service or it's somehow corrupt, you will need to install it. You can download it from here:

Also, have a look at your eventvwr logs, they may give some clue as to why install aren't running.

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re: .exe installations fail

by callupchuck In reply to Check WIndows Installer S ...

Yes, I've tried this too. I'll take another look at the event logs to get more clues to this and post them here.

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A couple of things to try

by Jacky Howe In reply to .exe installations fail

Copy the text between the == signs and paste it in notepad. Save the file to C as UD.bat
Then explore to the C: directory and right mouse click on it and select Open and click on OK when the dll is registered.
net stop wuauserv
goto ud

regsvr32 %windir%\system32\wups2.dll
goto ss

net start wuauserv
goto end


Click Start and in the Run box type in 'services.msc' and press Enter.
Navigate to Windows Installer and right mouse click on it and select Properties, in the Startup type: set to Manual.

Try to repair the updates engine:

Copy and paste the following into a Notepad and save as Reg.bat on
your Desktop then double click the Reg.bat to execute it and click "YES" to
register the Required DLLs for the windows updates engine.

regsvr32 Msxml.dll
regsvr32 Msxml2.dll
regsvr32 atl.dll
regsvr32 wuapi.dll
regsvr32 inetcomm.dll
regsvr32 wups.dll
regsvr32 wuaueng.dll
regsvr32 wucltui.dll
regsvr32 wuweb.dll
regsvr32 MSXML3.dll
regsvr32 cryptsvc.dll
regsvr32 dssenh.dll
regsvr32 qmgr.dll
regsvr32 wuapi.dll
regsvr32 qmgrprxy.dll
regsvr32 wups2.dll
net start wuauserv

Download the Windows Installer Cleanup Utility package and run it.

You can also run MsiZap.exe and it is available from the Installer Cleanup Utility package:

The installation will install to C:\Program Files\Windows Installer Clean Up\MsiZap.exe

Use the msizap tool with the flag <b>g!</b> and it will identify orphan files, then you can delete them.

Open explorer and navigate to C:\Program Files\Windows Installer Clean Up right click on the file MsiZap.exe and select Copy. Left click on Local Disk (C:) and in the right hand pane right click on a blank space and select Paste.

Click Start, Run and type cmd and press Enter.

Type cd\ and press Enter.

You should now be in the Root Directory of c>

Type msizap g! and press Enter. It will identify orphan files, then you can delete them.

The "Windows Installer Service Could Not Be Accessed" Error Message
appears When You Add or Remove Program;en-us;315346

Error Message When You Try to Install a Program;EN-US;330176

How to Troubleshoot Windows Installer Engine Problems;EN-US;260404

Windows Installer Fix (Line 94)

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