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Windows 8.1 pc really slow and some apps not appearing - please help!


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#1 gezkc

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Posted 09 August 2014 - 05:33 AM

Hi,

About a week ago, I downloaded a Super Nintendo emulator app and a couple of games (rom files) to my PC (a Lenovo pc running Windows 8.1), and found that it had also downloaded a load of crap along with it. I started getting lots of ad pop-ups and my home page was changed from Google to some other one (I can't remember the name now - it was something like adstarsearch or something).

 

I then went to Programs/Features and uninstalled all the things that had installed on that day, deactivated the unwanted search provider ad-ons and ran Malwarebytes which found some malware items and deleted them. My computer was running fine from then on... or so I thought.

 

Yesterday, when I switched my pc on, I found that after it had booted up, not everything had started up properly - several icons that usually appear at the bottom right of the screen aren't appearing (eg: my antivirus program Avast, dropbox.com and I don't have access to the internet (I usually have to connect via a Powerline network adapter because wifi's not too good upstairs in our house, so effectively a wired connection, but this is not connecting now). If I try to use any programs or applications (Excel, Control Panel or anything), the computer just hangs and the app never opens. If I try to log off, I get a message saying "Task host window - Task host is stopping background tasks".

 

So basically, my pc is now unusable. I'm guessing I'm still infected by some sort of malware, but if I can't even get it to run anything or connect to the internet, how can I check this?

 

Any help will be gratefully received. Thanks.


Edited by gezkc, 09 August 2014 - 06:29 AM.


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#2 Broni

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Posted 09 August 2014 - 10:48 AM

Did you try system restore to before it happened?


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#3 gezkc

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Posted 09 August 2014 - 11:48 AM

Hi Broni, thanks for your response.

 

Unfortunately, I can't seem to get to the System Restore section in the control panel. The computer just hangs if I try to do a search or if I click on "Change PC Settings".

Is there any other (as in "direct") way to get to the System Restore functionality on a Windows 8 pc? The computer's so slow at the moment, it's very difficult to use at all. :(



#4 Broni

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Posted 09 August 2014 - 12:14 PM

Try system restore from safe mode.

How to start Windows in Safe Mode


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#5 gezkc

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Posted 09 August 2014 - 01:15 PM

I've tried typing or searching for "Advanced" on the Start screen to get to the Advanced start up options menu, but the computer just hangs and doesn't move from the Start screen.

 

Is there anything else I can do to start up in safe mode? At the moment, I can't even get to the menu to change the way it starts up.



#6 Broni

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Posted 09 August 2014 - 01:18 PM

I'll report this topic to appropriate helpers.

Hold on there....


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#7 gezkc

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Posted 09 August 2014 - 01:46 PM

Thanks Broni



#8 gezkc

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Posted 10 August 2014 - 10:47 AM

Hi Broni,

 

Just to let you know, I finally managed to do a system restore and it seems to have solved my issues. I clicked on Restart while holding down the Shift key and it enabled me to get to the Advanced start up options. I then selected a restore point from a couple of weeks ago and all seems to be running fine again now.

 

Thanks for your help.  :thumbup2:



#9 Broni

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Posted 10 August 2014 - 03:51 PM

Super :)


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