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Upgrading from Vista 32bit to Windows 7 32bit

Each time I have tried to run the upgrade to transisition from Vista to Windows 7 I keep getting the folliowing message when about 20% into copying the installation files:
Windows cannot copy files required for installation. The files may be corrupt or missing. Make sure all files required for installation are available, and restart the installation. Error code: 0x80070241

I have went back and downloaded the install twice. I downloaded it from my MCP account and then from my TechNet account burned to CD and still the same results. I have been at this all day as you can tell from the downloads.
I've done tons of searches today and can't seem to find a solution.
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mcrhodes
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mcrhodes
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9 Solutions
 
Lee W, MVPTechnology and Business Process AdvisorCommented:
Could be a bad DVD drive or batch of DVDs.  Try installing to another computer.  Or make a boot flash drive and install off that.
http://kmwoley.com/blog/?p=345
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☠ MASQ ☠Commented:
Clean install or in-place upgrade?

Try to download the .iso on a different machine (ideally running XP)
There have been some reports of problems with the Akamai Download Manager M$ are using in certain combinations of install/browser.
(At least if you get that started someone may come up with an alternative solution during the 4 hour or so download time :(  )
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nttfxCommented:
Try to install without entering they product key at the beginning of the install.
You have to manually select the product version you want to install but this helped me out in a few cases...
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LeeTutorretiredCommented:
Perform a memory test.  Vista has a built-in memory diagnostic tool, described here:

http://www.bleepingcomputer.com/tutorials/tutorial146.html
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mcrhodesAuthor Commented:
I tried three different DVDs on being ReWritable as well as downloading on two different machines. I used the download manager at on time and just downloaded by HTML the other and still the same issue. I'm needing to do an upgrade to avoid loosing the installations on the laptop. I've even went in and removed everything but the bare needed apps on startup and tried that and still no luck.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Ok - I'll repeat:

Could be a bad DVD drive...  Try installing to another computer.  Or make a boot flash drive and install off that.
http://kmwoley.com/blog/?p=345

If the DVD drive on the laptop is bad, you can't install!

If you try using the DVDs you've already burned and INSTALL to a DIFFERENT computer, you'll at least narrow down what your problem is.

Or you can create a boot FLASH drive and install off that - skipping the DVD issues entirely!
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mcrhodesAuthor Commented:
I'm trying all areas of advice now. I just so happen to have another hard drive that I can use as a test dummy. I will get back to everyone tomorrow.
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LeeTutorretiredCommented:
Try the memory test too...
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shark1998Commented:
You may laugh, but I have come across this issue before with client computers too, and it was the DVD Drive that was used with the computer.  It was reading too fast ( I know)  and the installation would freeze just like yours.  I connected an older DVD drive that I had at a lower read speed and it worked perfectly.  I really don't know if there is another way to slow down the read speed in BIOS or any way else.
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mcrhodesAuthor Commented:
At this point, I'm not laughing at any suggestion. I've been doing this kind of work since the 386 days and this one has stumped me. I think I'm getting closer. Waiting on some more downloads form Microsoft. Also, I did the memory test first and all checked out good.
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beesterCommented:
I've seen quite alot of other issues like this - and I think most of them have been solved by somehow getting all files copied into the hard drive instead of reading from the DVD drive.

I have also seen quite alot of issues like shark1998 describes, where the actual DVD drive somehow is incompatible with the Windows DVD.
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mcrhodesAuthor Commented:
I found the issue. I was trying to upgrade Vista Business to Windows 7 Ultimate and that is not permitted. Unfortunately the download from MCP did not warn me of this nor did the advisor that I ran prior to going through all of this. Once I downloaded Windows Pro, I was good to go.

The upgrade allowance is as follows:
"Windows Vista Home Premium to Windows 7 Home Premium
"Windows Vista Business to Windows 7 Professional
"Windows Vista Ultimate to Windows 7 Ultimate
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mcrhodesAuthor Commented:
Go to this link below for some additional help on installing Windows 7. Very helpful:

http://arstechnica.com/microsoft/news/2009/02/upgrading-to-windows-7-what-xp-and-vista-users-need-to-know.ars
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