Windows ® Installer. V 5.0.19041.1 ?

I was able to install using files from another x64 PC. I ended up creating a 7z file of the files in the %temp% folder indicated above. I then copied the file to the PC having issues and unzipped into a new folder. On right mouse click on the DYMO Label.msi and selected "Install". It worked without a problem. I have the 7z file which is large (240MB) and would upload it but not sure how. (This is my first 'reply' but I struggled with this issue for about a month and finally found this thread and was able to successfully install the program.) If you want me to send the file to you reply to this post and provide an email address and I will send it to you. This is an image of some of the files. 

Hey Greg, 

Thank you for helping me out. This is so important I get this installed so that I could continue work. I really appreciate it. 

I tried the first 2 methods you've proposed but nothing changed. 

I also tried these methods I found on youtube again nothing. 

https://youtu.be/\_wGhzTfLz2Q

https://youtu.be/JyMPISNL8qE
https://youtu.be/2f-YDm3OW7k

Also, I'm not sure if this is worth noting but when I try to download the program sometimes is changes my entire screen. It kind of zooms in. Here's a photo of what I mean. It goes away after I get to the point where it doesnt let me install. 

Again, thank you for your help. I truly appreciate your guidance through this very frustrating situation.

Yes, I was referring to the MSI file in that's extracted to the %temp% folder during installation of the .exe file. I didn't fully install the .exe. I just simply opened it and let it do its initial run without completing the installation.

The key is to run the EXE on a computer that gets past the initial error "Windows Installer" Parameter Required error message box. 

So basically... open the exe , but don't follow any of the prompts > browse to %temp% folder > copy MSI > close exe

I had the same issue and was able to get it installed by using another computer to run the "DLS8Setup8.7.4.exe" then finding the MSI in the temp folder. Copied the MSI to the non-working computer and installed it like a charm. If you want the "DYMO Label.msi", I uploaded it to my Dropbox here: https://www.dropbox.com/s/i3c0nfyl7dhbpfd/DYMO%20Label.msi?dl=0

Hi Ismael. I'm Greg, awarded MVP for eleven years, Volunteer Moderator, and Independent Advisor here to help you until this is resolved.

Right click task bar to open Task Manager. If necessary show More Details

On Details tab look for msiexec.exe, highlight to End Task.

Now try install or uninstall again.

If this doesn’t help you can try to Fix problems that block programs from being installed or removed: https://support.microsoft.com/en-us/help/17588/...

This can be symptomatic of corruption. I would go over this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done: http://answers.microsoft.com/en-us/windows/wiki...

Start with Step 4 to turn off Startup freeloaders which can conflict and cause issues, then Step 7 to check for infection the most thorough way, then step 10 to check for damaged System Files, and also Step 16 to test a new Local Admin account. Then continue with the other steps to go over your install most thoroughly.

Feel free to ask back any questions, or report back results as you go.

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Linked tutorial is from a trusted Microsoft MVP