OK, so I've read the one help file that you had for the following error"

"This installation package could not be opened. Verify that you have access to the package and you can access it, or contact the application vendor to verify that this is a valid Windows installer package."

However, your instructions made no sense:

"To get the .msi file, 1. download Doit.im for Windows 1.5.5; 2. extract it and you will get setup.exe; 3. right click to choose Extract to "setup.exe\(E)" and in the file that comes up, you will get the .msi file. Then click it to install the windows app."

Once I've extracted the file, I do not have the ability once again right click and do anything that remotely resembles "setup.exe\(E)". Unfortunately, this isn't the first time I've run into problems with doit.im installation issues. Can you just post both the .exe and .msi files in the future. There are apparently a few of us who continually have this problem, so not quite sure why this continues to be a problem. I might add that I am on Windows 8.

Thanks,

Jasoh