Problem with Windows 10 Upgrade Error C1900104?
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Windows 10 Upgrade Error C1900104
This error is usually caused by misconfigured system files.
So, from my experience, if you received a Windows 10 Upgrade Error C1900104 message then there is a 95% chance that your computer has registry problems.
These Windows errors are easy to repair. By downloading and running the registry repair tool RegCure Pro, you can quickly and effectively fix this problem and prevent others from occuring. After fixing the registry, a quick scan with Plumbytes anti-malware tool will ensure that your PC has no more problems!
Optionally you can read all about my credentials, here. Reply Pete April 13, 2016 at am9:07 I have the same problem, but I can’t find the toshiba recovery disk creator, so I can delete it. First and foremost, before doing anything and before even thinking of upgrading, make sure to make a full backup of your computer. Deleted one registry file and it works!
Simply click the links below for your free download.
To Fix the problem you need to follow the 3 steps :

Plumbytes will optimize your PC by removing all traces of
Adware, Spyware and Malware. Your PC will run much smoother after this
process is completed.
Choose "Start New Scan" after installing
Technical Description of System Error (for Experts only):
Microsoft Windows [Version 5.2.4630] Windows Windows 10 Upgrade Error C1900104 may caused by some of the following errors
Can not printing file
Click onto “Start” – search for “Regedit.exe” Browse to the following path in RegEdit: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders Double click the entry called “AppData” Replace the original value with your own local profile path Press OK Restart your PC |
at 9:22 PM
Wow, thank you so much! After spending a ton of time with this stupid error I almost gave up. The Regcure fix worked like a charm on the first try. It took a bit longer than 10 minutes, closer to 30, but by the time it was finished my PC worked great again.
at 3:47 AM
Just ran this on my wife's computer and for the first time in a long time, it finally works again! Regcure found over 1,300 errors including Windows 10 Upgrade Error C1900104 and fixed them all. I'm not a PC guru by any stretch, but this was a piece of cake.
Cheers!
at 4:48 AM
easy just like it said. no more errors and i'm officially back in action. appreciate it!
at 9:12 AM
oh man, it actually worked. Thank you!