Author Topic: Updated avast and no programs open - PAID Support BROKE my PC  (Read 11812 times)

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Last night I did an avast update and then went to bed. That was the last thing done.
Now none of my programs open. Windows opens up but every program you try to open says 'the application was unable to start correctly (0xc0000005). Click OK to close the application.'
I can't even open up command prompt and it won't even open from 'run as administrator'.
Tried logging in via the kids login but the same thing happens.
I'm on windows 7 64 bit.
Any help would be fantastic.
Thanks.
« Last Edit: March 06, 2017, 05:57:25 AM by Ashley62 »

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Re: Updated avast now application errors and no programs open
« Reply #1 on: March 04, 2017, 03:22:22 AM »
Would there be a conflict between the latest Avast update and Windows 7?
Have tried various forums with no luck. Really hoping someone has a possible solution.
Thanks
Ash.

Offline Eddy

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Re: Updated avast now application errors and no programs open
« Reply #2 on: March 04, 2017, 04:06:20 AM »
Perform a clean installation of the latest version.

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Re: Updated avast now application errors and no programs open
« Reply #3 on: March 04, 2017, 04:22:58 AM »
Perform a clean installation of the latest version.

Thanks Eddy
Managed to get in via my kids login and disable avast for an hour. Everything started working again.
Then did a clean install as you suggested and everything is back to normal.
Thanks for your help.
Ash.

Offline Eddy

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Re: Updated avast now application errors and no programs open
« Reply #4 on: March 04, 2017, 04:28:04 AM »
Always good to hear a problem is solved. :)

Keep an eye on it for e.g. the next week and if the problem comes back, let us know here.

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Re: Updated avast now application errors and no programs open
« Reply #5 on: March 04, 2017, 04:32:31 AM »
Always good to hear a problem is solved. :)

Keep an eye on it for e.g. the next week and if the problem comes back, let us know here.

False alarm. I got a bit excited.

Just restarted the PC and the same thing has just happened.

So I uninstalled Avast. Ran Ccleaner, malwarebytes and all clear.
Downloaded the latest install from the Avast website and installed it. Then restarted.

Now I am back to where I started. Just turned Avast off for an hour and hey presto, everything is working again.

There is definitely some conflict with Avast's latest update and my PC. I have Win 7, 64bit.
Any ideas would be super helpful.
Thanks
Ash.

Offline Eddy

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Re: Updated avast now application errors and no programs open
« Reply #6 on: March 04, 2017, 04:37:44 AM »
There is only one way to perform a real clean installation of avast.

- Remove avast through control panel
- Run avastclear
- Remove all leftovers manually (folders, files, registry entries)
- Install the (latest) avast version with the offline installer

If that doesn't solve it, provide more details.
What exact OS/SP ?
What exact version of avast ?
Is there any other security (related) software installed ? (or was there)

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Re: Updated avast now application errors and no programs open
« Reply #7 on: March 04, 2017, 11:41:34 PM »
There is only one way to perform a real clean installation of avast.

- Remove avast through control panel
- Run avastclear
- Remove all leftovers manually (folders, files, registry entries)
- Install the (latest) avast version with the offline installer

If that doesn't solve it, provide more details.
What exact OS/SP ?
What exact version of avast ?
Is there any other security (related) software installed ? (or was there)

My computer is going from bad to worse now. Can only work it in safe mode.
I tried uninstalling avast again and reinstalling but now it won't even go on. Seems to be some conflict now.

I run Win 7x64. Service pack 1 build 7601. The version of avast is just the latest one. There was AVG on there too at one stage.

I'm really desperate now.

I really appreciate any help. Thanks.
Ash

Offline Eddy

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Re: Updated avast now application errors and no programs open
« Reply #8 on: March 04, 2017, 11:46:03 PM »
It can be a conflict with leftovers from AVG.
Make sure everything from it is removed > http://www.avg.com/us-en/utilities

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Re: Updated avast now application errors and no programs open
« Reply #9 on: March 04, 2017, 11:55:27 PM »
It can be a conflict with leftovers from AVG.
Make sure everything from it is removed > http://www.avg.com/us-en/utilities

I have run both the AVG remover tool and the Avast Clear.

I followed these instructions from someone on this forum.
Repair Avast:
Control Panel> Program and Features (Add/remove program)>Select Avast> Select Repair. Reboot when completed
https://www.avast.com/faq.php?article=AVKB204
If Repair doesn't fix the problem, try the following:
Clean Install of Avast:
https://goo.gl/4Ptzkf

Now in safe mode with network connection I get:
UI Failed to Load.
This is really embarrassing.
AV Service is not responding.
Exit or Restart Service.

I'm going to try now in normal mode. Restart and go from there.

Offline Eddy

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Re: Updated avast now application errors and no programs open
« Reply #10 on: March 04, 2017, 11:56:12 PM »
That is normal.
avast doesn't work in safe mode.

Enable the real administrator account and see if you boot into that in normal mode.

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Re: Updated avast now application errors and no programs open
« Reply #11 on: March 05, 2017, 12:03:07 AM »
Have started in normal mode and I'm back to where it all started.
'the application was unable to start correctly (0xc0000005). Click OK to close the application.'
The 1st one to come up is always LULnchr.exe but I don't have a quick cam and I checked my logitech cam and it is all up to date.
Every single application does this.
When I click on Avast from the bottom right toolbar, I get a big white box on my screen with nothing on it.
I then just tried to disable Avast for 1 hour.
Opened docs and still get the 0xc0000005 error. Nothing is opening still.

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Re: Updated avast now application errors and no programs open
« Reply #12 on: March 05, 2017, 12:06:41 AM »
Now a new error keeps coming up.
::{26EE0668-A00A-44D7-9371-BEB064C98683
Then is says server execution failed.

Offline bob3160

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Re: Updated avast now application errors and no programs open
« Reply #13 on: March 05, 2017, 03:01:43 PM »
Have started in normal mode and I'm back to where it all started.
'the application was unable to start correctly (0xc0000005). Click OK to close the application.'
The 1st one to come up is always LULnchr.exe but I don't have a quick cam and I checked my logitech cam and it is all up to date.
Every single application does this.
When I click on Avast from the bottom right toolbar, I get a big white box on my screen with nothing on it.
I then just tried to disable Avast for 1 hour.
Opened docs and still get the 0xc0000005 error. Nothing is opening still.
Sounds like you're running an older version of Avast.
Right click the Avast icon in the system tray, select About what's the exact version ???
Free avast! Security Seminar: http://bit.ly/2N1eaR2  -  Important: http://www.organdonor.gov/ -- My Web Site: http://bob3160.strikingly.com/ - Win 11 Pro v21H2 64bit, 16 Gig Ram, 1TB SSD, Avast Free 22.5, How to Successfully Install Avast http://goo.gl/VLXdeRepair & Clean Install https://goo.gl/t7aJGq -- My Online Activity https://

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Re: Updated avast now application errors and no programs open
« Reply #14 on: March 05, 2017, 09:14:53 PM »
Hi Bob
I did a clean install. I am not running an old version of avast. I uninstalled and then got the latest update.
The reason I have a blank black or white screen when I open avast is cos that is what everything is doing since I updated my version of avast.
None of my programs load since I made the updated. When I turn avast off for an hour or run in safe mode, every program opens and is available.

I'm still really keen if anyone has any suggestions. I am at a total loss as to what to do.

Thanks
Ash.