Avast IS dead on win10, cant start services or reinstall...

system · 2015-08-28T22:28:17.000Z

Greetings.

I have windows 10 on my PC andf it was fine utntil today when i noticed that avast is not working. I dont get any useful error reports in my event log regarding the service. But when i try to start the freshly downloaded installer i get this:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Application Error" /> 
  <EventID Qualifiers="0">1000</EventID> 
  <Level>2</Level> 
  <Task>100</Task> 
  <Keywords>0x80000000000000</Keywords> 
  <TimeCreated SystemTime="2015-08-28T22:20:37.000000000Z" /> 
  <EventRecordID>4016</EventRecordID> 
  <Channel>Application</Channel> 
  <Computer>DESKTOP-70PENFB</Computer> 
  <Security /> 
  </System>
- <EventData>
  <Data>instup.exe</Data> 
  <Data>10.3.2225.1172</Data> 
  <Data>55b66368</Data> 
  <Data>KERNELBASE.dll</Data> 
  <Data>10.0.10240.16384</Data> 
  <Data>559f3b2a</Data> 
  <Data>c06d007e</Data> 
  <Data>000b3e28</Data> 
  <Data>19c0</Data> 
  <Data>01d0e1dfc3dc8087</Data> 
  <Data>C:\Users\<myusername>\AppData\Local\Temp\_av_iup.tm~a03248\instup.exe</Data> 
  <Data>C:\Windows\SYSTEM32\KERNELBASE.dll</Data> 
  <Data>1d76c153-5a4b-4b8c-be0b-05fe76206662</Data> 
  <Data /> 
  <Data /> 
  </EventData>
  </Event>

Have someone any idea what causing this? Thanks in advance for the help .

Rednose · 2015-08-29T01:38:08.000Z

Hi gearsofwarhu, welcome to the forum

Have you tried a repair of Avast :

Start - Control Panel - Add/Remove Programs - Avast! - Change.
Repair.
Follow the instructions.
Reboot.

Greetz, Red.

system · 2015-08-29T07:38:14.000Z

Yep, same error in event log…

/EDIT
I have installed avast on my second operating system(i have three on this machine, win7/win10/Linux Mint) and scanned the win10 system partition but it found nothing…

/EDIT2
“sfc /scannow” had no effect, i copied over a working kernelbase.dll from my laptop(i run avast IS on that one too) but i get the same error …

/EDIT3
The SHA512 checksum is identical on both systems for this dll…

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