How to fix msi.dll missing or not found errors
How to fix msi.dll missing or not found errors

The Microsoft MSIInstall Product Function can be used to perform a number of functions in Windows operating systems like setting the log mode, installing or removing a program or product or change the user interface settings. Msi.dll is the dynamic link library file for Windows Installer API and under no circumstances should it be tampered with. But on certain occasions it is beyond the control or understanding of the users as to how this file in the Windows registry gets corrupted.

To get a deeper understanding of msi.dll errors, it would be better to take a look at the issues, clients from all over the world have faced, related to this file.

In Manhattan, USA, Fabien Anthony was surprised to see that because the msi.dll file was missingfrom his computer he could not install new applications like Turbo Tax. Added to that he also saw the Net 3.5 Service Pack 1 Framework installation failed with the error code being1603. When he restarted his system he saw that a pop up trying to install the msi_dll file appeared on his computer screen but when he tried to locate the file he could not. He was left wondering if he could download and copy the msi.dllfile and install it to its proper location in the Windows registry.

Installing a new operating system or updates for an existing one can be done to improve system performance, but after doing that Sophie turner from London, UK saw that she was getting the dreaded bad image error message that msidll is not a valid Windows image.When she tried to install applications like Skype on her HP Pavilion dv6000 series laptop, she started getting the error message that C:\Windows\system32\msi.dll is either not designed to run on Windows or it contains an error. Following this other programs on her computer like MS Office, Adobe Photoshop etc. refused to run.

When the msi.dll functions fail to do their job because the dll file is corrupted then users like CraigVan Nistelrooy, a resident of Leiden, Netherlands have seen that they were unable to install MatLab, SigmaPlot and LabView8.2 on their Windows Vista 64 bit operating system. He saw that the details of the error informed him that the Windows installer engine was corrupt and to resolve the issue he had to register the engine again by running regsvr32.exe on msi-dll. So following the instructions he typed regsvr32 msi_dll in the command prompt but the command failed with the error code 0x80040201. Imagine his surprise, when on research he found out that this error was the result of Microsoft Outlook profile corruption, because he had never installed Outlook on his computer.

Steve Perkins a native of Ontario, Canada came with anmsi.dll errorin his Windows 7 home premium. He saw that faulty module msi.dll was causing updates for Microsoft Office 2007, to stop from being installed. His Installer had stopped working and the exception code- 0xc0000005, with the fault offset- 0x0009f9ad, showed up on his computer screen.

They all tried the basic trouble shooting options and even ran sfc/scannow but Windows was unable to repair the damaged file. It was only when, they used the msi.dll download and fix tool from to find and install a compatible msi.dll download for their respective Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 8.1 operating systems, to replace the damaged ones, in the Windows registry and heal other files like msdasc.dll, msiprov.dll, msdtc.exe and msfs.sys; they could get rid of the bad image errors from their computers.

Somnath Shaw

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