Diana
It is always sensible in this situation to run a check for malware
I recommend that you run Disk CleanUp or cCleaner to remove temporary files as this will reduce scanning times by security software. cCleaner comes with a Registry tool. Do not use this tool as like any registry cleaner it can lead to the creation
of very difficult to resolve system errors
Please download and install Malwarebytes (freeware version for home users only -not the Trial version –watch the checked boxes whilst installing), update definitions and run in normal mode. Disable other security software whilst you are doing
scans.
http://www.malwarebytes.org/mwb-download/confirm/
Please make certain you uncheck the box before
Enable free trial of Malwarebytes Anti-Malware Premium.
Please upload a copy of the report on what it found as a shared file to your OneDrive and a post a link here.
Please download ADWCleaner to your Downloads or Desktop folder, right click select
Run as Administrator and upload a copy of the report produced to your OneDrive. Remove all that it finds.
Before running ADW Cleaner close all open programmes. When ADW Cleaner is run four options are offered. Click
Scan. You can review the results by clicking Log File or each or any of the Results tabs. To remove all items, click
Clean and reboot the computer. On restarting an ADW Cleaner window opens. Select Log File, and click File, Save As to create a report of what has been removed.
https://toolslib.net/downloads/viewdownload/1-adwcleaner/
ADW Cleaner documentation:
https://toolslib.net/forum/viewthread/182-en-adwcleaner-documentation/
For help with OneDrive see paragraph 9.3:
http://www.gerryscomputertips.co.uk/MicrosoftCommunity1.htm
Create a system restore point before doing anything else. Select the keyboard shortcut
Win+S and type Create a restore point. Click the
Best Match at the top of the dropdown menu and click the
Create button.
Are you using an ethernet cable or wireless to connect your computer to the router? An ethernet cable connection is faster and more reliable for large downloads. An ethernet cable is an inexpensive purchase.
Connect to a mains electricity supply if your computer is a laptop.
Disable your anti-virus and firewall whilst upgrading.
I suggest you download the Windows 10 Media creation tool ISO and do an In-place upgrade.
Download the updated Windows 10 Media creation Tool:
http://www.microsoft.com/en-us/software-download/windows10
How to download an ISO using Media creation Tool:
http://www.tenforums.com/tutorials/9230-windows-10-iso-download.html
How to perform an In Place upgrade using Method 1:
http://www.tenforums.com/tutorials/16397-repair-install-windows-10-place-upgrade.html#step6
