Some Windows 7 or Windows 8/8.1 users are having a hard time upgrading to Windows 10 as they are being prompted for a product key. By default, the Windows 10 operating system does not require a product key and users should not be prompted for one, given you upgraded your computer from an activated Windows 7 or Windows 8/8.1 license or from the Windows 10 Preview build. However, there are some users encountering this problem and there are several reasons for this.
Error CausesThere are a few reasons why some users are being prompted for a product key when upgrading to Windows 10:
Before you can fix this problem, you need to know why you’re being prompted for a product key. Some things you should know about Windows 10 product key activation are the following:
Now, if ever you’re prompted for a product key when you’re upgrading to Windows 10, you can apply the following methods:
If you’ve been prompted for a product key upon upgrading to Windows 10, you should click on the “Do this later” option. Wait for a few days then Windows 10 will get activated automatically.
One of the reasons Windows users are being prompted for a product key when upgrading to Windows 10 is that they have downloaded a wrong edition of Windows 10 and do not correspond with your current system.
NOTE: Users of Windows 7 Enterprise, Windows 8.0 Enterprise, and Windows 8.1 Enterprise are not eligible for the free upgrade offer.
If your Windows 7 or Windows 8/8.1 is not genuine or activated, you will get prompted for a product key. You need to make sure first your current system is activated.
Another thing you can try doing is to run the system file checker utility to scan if there are any broken operating system files. In doing so, you’ll be able to detect problems that might be preventing the product activation of your Windows 10 upgrade.
If in case you’ve exhausted all your resources and you are still being prompted for a product key when upgrading to Windows 10, you can try contacting the Microsoft Activation Center for further details. Check here for the appropriate telephone numbers to contact.
If you still experience the error after doing the methods above, you might want to try a powerful and trusted automated tool to fix the job.

Error CausesFromDocToPDF Toolbar is a browser extension published by Mindspark InteractiveNetwork, that usually comes bundled with other potentially unwanted programs. The toolbar is distributed heavily through advertising networks.
This toolbar automatically sets your default search engine to MyWebSearch, it also sets your new tab to the DocToPDF welcome page. This toolbar ads startup registration tasks that allow it to start automatically with Windows, it gathers website traffic, clicks, data, and personal information and sends it to its ad network. Multiple anti-virus programs have detected FromDocToPDF as a browser hijacker and therefore is potentially unwanted and recommended for optional removal
Error code 0xd0000272 is an activation error code that occurs when Windows users are unable to activate their Windows operating system. This error code features common symptoms which include the following:
Error CausesWhen error code 0xd0000272 occurs in Windows 10, it is usually due to issues related to the Windows activation servers. In such a case where the error code occurs due to an activation server that is temporarily unavailable, users may need to wait for a few hours until the activation server is available. Their copy of Windows will then be automatically activated. Once the activation process is not done accordingly, you might encounter other Windows 10 errors such as error code 0xc004f034.
As is the case with many activation error codes, Windows 10 users can perform several manual repair methods to determine the cause as well as fix the error code affecting their device. Instead of passively waiting to see if your activation error code will be fixed on its own, resolve error code 0xd0000272 through the manual repair methods available. Below are simple instructions that when followed can lead to your success.
Check Settings to verify if your machine is connected to the Internet. This is one of the causes of various error codes which affect Windows 10. Also, this manual method is a simple process that can help Windows users recognize or eliminate factors that may or may not be affecting their system. To check your Internet connection, follow the simple instructions below.
Once you’ve been able to verify an Internet connection or troubleshoot any issues related to your network, go to Update & security. Make an attempt to activate your system. If you are successful, you will be able to access all the features and benefits offered via your copy of Windows. However, move to the next manual method below if error code 0xd0000272 reoccurs.
Your inability to activate Windows 10 may be related to an issue with Windows Update. To verify whether or not Windows Update is functioning properly, run Windows Update Troubleshooter.
You’ll need to visit the Microsoft website to access their Windows Update Troubleshoot tool. Once you’ve downloaded the troubleshooter, run the tool. After running the tool, check if you are able to access Windows Update services as well as activate Windows 10. If the problem with error code 0xd0000272 persists, however, follow the instructions provided for manual repair method three detailed below.
Another option available to individuals experiencing error code 0xd0000272 in Windows 10 is to manually disable their machine’s proxy settings. After disabling the proxy settings, remember to open the Windows Update tab to complete the activation process. See the instructions provided below to disable proxy settings.
Once you have successfully disabled your proxy settings, open Windows Update. Select the activation option to access your copy of Windows 10. If you are unable to complete the activation process, however, contact a Windows repair technician.
powershell -ExecutionPolicy Unrestricted Add-AppxPackage -DisableDevelopmentMode -Register $Env:SystemRootWinStoreAppxManifest.xml
“The site can’t be reached, This site on the company, organization, or school intranet has the same URL as an external website. Try contacting your system administrator. ERR ICAN NAME COLLISION.”This kind of error is caused by an error in a private namespace or a random redirection to an incorrect proxy server. There are several ways to fix this error. You can try to check the integrity of the Hosts file or check the proxy. You could also try to use the Registry Editor and apply some tweaks or remove any conflicting browser extensions or flush the DNS cache, as well as run a malware scan.