an attempt was made to load a program with an incorrect format

An Attempt Was Made To Load A Program With An Incorrect Format Full Stack Developer

During 2017 you couldve run into me in the US of A as well (I was living in Wisconsin) and 2018-2019 in Montral.

Typically, youd run into an error message like Exception calling LoadFrom with 1 argument(s): Could not load file or assembly.

Sometimes they are loaded from a location on disk, but often theyre bundled with the script and just loaded from the execution path, which is quite convenient (when it works).

How to test if youre running 64-bit PowerShell: Where to find different versions of PowerShell: Solution to Operation is not supported.

Exception from HRESULT: 0x80131515) References.

Youre trying to load 32b files into 64b PowerShell session or vice versa.

You cant (easily) run modules (DLLs) compiled against different architecture in PowerShell.

In case the DLLs have been compiled for 64-bit architecture, you need to run 64-bit PowerShell as well.

Not because the error would be so obscure, but rather because theres a bunch of possible solutions that work or do not work.

The issue is typically caused by a blocked or reserved file, but determining what exactly is wrong might not be straightforward.

Powershell is kind of notorious for caching things very aggressively, and holding on to file handles even after the window has been closed, so sometimes a reboot might be the easiest path.

Koskela Developer Speaker Consultant at Koskila Valo Solutions Ltd.

An Attempt Was Made To Load A Program With An Incorrect Format Full Stack Developer

Antti Koskela is a proud digital native nomadic millennial full stack developer (is that enough funny buzzwords Thats definitely enough funny buzzwords), who works as a Solutions Architect for Valo Intranet, the product that will make you fall in love with your intranet.

Hes been a developer from 2004 (starting with PHP and Java), and hes been bending and twisting SharePoint into different shapes since MOSS.

Nowadays hes not only working on SharePoint, but also on.NET projects, Azure, Office 365 and a lot of other stuff.

This is his personal professional (e.g.

Koskela ( see all ) Guide: How to take over and kill a viral AAD tenant - March 24, 2021 How to list all of the assemblies loaded in a PowerShell session - March 18, 2021 Of Course I Still ValoLove You - March 15, 2021.

Check out the tech programming tips, often about ASP.NET MVC, Entity Framework, Microsoft SharePoint Server Online, Azure, Active Directory, Office 365 or other parts of the Microsofts stack.

Ive been developing both classic server stuff, but also (and actually especially) more cloud-oriented stuff in the past 10 years.

And since Im hosting this site on WordPress, and boy does WordPress experience a lot of issues, I might also post something about solving those cases.

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Im occasionally at different SharePoint-related events (check out where Im speaking ), and currently live in the middle of the forest in Finland.