Windows 8 Device is Slow

My Microsoft Windows has stopped working on my laptop

Since when this problem started?

Have you tried doing defragment and disk clean up?

Did you installed any new program recently?

On Monday night I closed my laptop as usual.  When I tried to log on Tuesday morning it wouldn't start.  I was able to run a full scan for 4 hours and there were no viruses. I have not added anything but a McAfee Live Safe.  How do I defragment and disk clean up?

On Monday night I closed my laptop as usual.  When I tried to log on Tuesday morningit wouldn't start.  I was able to run a full scan for 4 hours and there were no viruses. I have not added anything but a McAfee Live Safe.  How do I defragment and disk clean up?

Support for 8 ended in 2016.

You were supposed to use the free upgrade to 8.1.

You say it wouldn't start.

How did you run a scan for 4 hours if you couldn't log in?

Well, I evidently have been using 8.1 up to Monday.

I have been researching on my antique Acer desktop to look for solutions on You Tube.  I waited until I could finally start>run>cmd to get to a scan page.

 and did a full scan.  Now all my tabs show but they don't complete. It's a HP Pavilion. I've tried to restore, every troubleshooting offered and available t me in the control panel, Windows update, system maintenance. 

So...right now my problem is how slow it is.  I tried to sin on to Amazon to look for a new HP laptop and it's been trying for the last 10 minutes to bring it up.

See if this assists you to improve performance.

Scan for Malware with the FREE version of this Program.

And do not accept the "Pay for version" Trial option during installation

Download, install, update and scan your System with the free version of Malwarebytes AntiMalware::

http://www.malwarebytes.org/products/malwarebytes_free

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You can clean up your Hard Drive using these two methods.

"Delete files using Disk Cleanup"

http://windows.microsoft.com/en-us/windows/delete-files-using-disk-cleanup#delete-files-using-disk-cleanup=windows-8

Using the Free CCleaner Program:

http://www.piriform.com/ccleaner

Under NO condition use the Registry cleaning Option in CCleaner

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Make sure that you have the latest updated Drivers:

Go to your Computer or Hardware Manufacture's website > Driver and Software Support Section > look up your Computer or Hardware Model number > then your Operating System > locate the correct Drivers > download and install them.

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Speed up your computer:

https://support.microsoft.com/en-au/help/3064207/speed-up-your-computer

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"How to Optimize the Performance of Windows 8 and 8.1"

http://www.eightforums.com/tutorials/37511-optimize-performance-windows-8-a.html

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This is worthwhile reading too:

"How to Optimize Windows 8.1 for a desktop PC"

http://www.howtogeek.com/167013/how-to-optimize-windows-8.1-for-a-desktop-pc/

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"Performance & maintenance"

http://windows.microsoft.com/en-us/windows/performance-maintenance-help#performance-maintenance-help=windows-8&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1

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And I would check to see if there are corrupted System Files.

Each Method/step below progresses to the next if the first does not fix any corrupted files that are found, etc.

"Use the System File Checker tool to repair missing or corrupted system files"

https://support.microsoft.com/en-us/kb/929833

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And these eightforums.com Tutorials are very detailed for problems resulting from SFC Scan:

"How to Run "SFC /SCANNOW" Command at Boot or in Windows 8 and 8.1"

http://www.eightforums.com/tutorials/3047-sfc-scannow-command-run-windows-8-a.html

Read this Section there in conjunction with the rest of the information they give in above link.

   Note

Scan for Malware with the FREE version of this Program.

And do not accept the "Pay for version" Trial option during installation

Download, install, update and scan your System with the free version of Malwarebytes AntiMalware::

http://www.malwarebytes.org/products/malwarebytes_free

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Does this automatically delete the threats?

It finds threats; you have make the choice to remove them.

https://malwaretips.com/blogs/scan-malwarebytes-anti-malware-2-0/

The scan gave me a list of 32 detected threats. There is no option to keep or delete.  How do I know which ones to delete?