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Windows 8.1 with Avast and KB3000850 equals bricked OS
Security software outfit Avast are trying to figure out why the combination of recent Windows patches and updates to the latter company's software are breaking PCs. Hordes of users have found that their PCs, especially those running Windows 8 and 8.1, grind to a halt after they apply both Microsoft's recent KB3000850 update rollup and Avast's latest automatic updates.
Some users report their PCs won't boot, or take forever to apply patches. The Avast forums record many users venting their spleens. Microsoft's not immune either: a Redmond thread titled Major issues with KB3000850 includes plenty of people wondering why the company issued an update incompatible with third-party software.
That criticism may not be entirely fair, as an Avast staffer has posted the following explanation for the mess:
“We have been able to simulate the problem in our lab and I think we fixed this issue. This Windows updates calls new memory related functions which are not fully compatible with Avast.”
The poster, by the name of “pk”, promised an update to remedy the situation and later reported that the patch was issued last Friday.
A few forum members seem, however, to be having trouble even with the automated patch, reporting a variety of glitches including very slow downloads of the KB3000850 update on machines running Avast.
Whatever the cause, a fair few people are rather upset with both Avast and Microsoft, with the latter company most often felt to be in the wrong.
Microsoft forum moderator Rohit Siddegowda offers suggestions for overcoming the issues created by KB3000850 here
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tsunami231
Senior Member
Posts: 13385
Joined: 2003-05-24
Senior Member
Posts: 13385
Joined: 2003-05-24
#4966462 Posted on: 11/25/2014 04:35 AM
Compared to what?, AVG and Norton are far far worse perfomance hit imo. I switch from AVG to Avast due simply to performance hit from real time monitors maybe i check out panda cloud. if it lighter and faster just as good
Disable Avast during the update process..... That's what I did. Ended up switching back to Panda Cloud afterwards though since Avast still has insanely high performance impact.
Compared to what?, AVG and Norton are far far worse perfomance hit imo. I switch from AVG to Avast due simply to performance hit from real time monitors maybe i check out panda cloud. if it lighter and faster just as good
sykozis
Senior Member
Posts: 22408
Joined: 2008-07-14
Senior Member
Posts: 22408
Joined: 2008-07-14
#4966464 Posted on: 11/25/2014 04:50 AM
Norton has had negligible performance impact since 2008. Avast has always had a severe impact on system performance. I run Panda Cloud on the system in my sig, an IB Celeron laptop and an Atom based tablet. None of them show any performance impact from Panda Cloud. The system in my sig, running Panda Cloud, is at 1min from power on to "ready to use". With Avast, it's almost 2 minutes...
Norton has had negligible performance impact since 2008. Avast has always had a severe impact on system performance. I run Panda Cloud on the system in my sig, an IB Celeron laptop and an Atom based tablet. None of them show any performance impact from Panda Cloud. The system in my sig, running Panda Cloud, is at 1min from power on to "ready to use". With Avast, it's almost 2 minutes...
tsunami231
Senior Member
Posts: 13385
Joined: 2003-05-24
Senior Member
Posts: 13385
Joined: 2003-05-24
#4966465 Posted on: 11/25/2014 04:57 AM
my pc is ready to "use" in 30seconds, im talking performance from real time scanner standpoint
my pc is ready to "use" in 30seconds, im talking performance from real time scanner standpoint
sykozis
Senior Member
Posts: 22408
Joined: 2008-07-14
Senior Member
Posts: 22408
Joined: 2008-07-14
#4966466 Posted on: 11/25/2014 05:21 AM
Open Chrome went from 10 seconds to almost 30 seconds. Launching "Microsoft Solitaire Collection" went from 30 seconds to almost 2 minutes. Time from right click until menu went from 2-3 seconds to almost 10 seconds. Right click on the start flag went from 5 seconds to display the menu to around 15 seconds. Perceived system response in general is extremely sluggish.
I've been using Avast on and off for 12 years. I'm far from being biased against it. I'd have no qualms at all with buying the 5 licenses I need, if they could get system performance impact under control. When I was selling computers, I installed Avast free on every computer I sold. I stopped doing so because customers were removing it due to the performance impact. BUT, that has nothing to do with this thread.
Back on Topic:
For those running Avast on Win8.x, disable it to download and install KB3000850. Actually disable it. Don't just select the option to disable for 30 minutes or until Restart. Disable it completely until the update is done installing. Once you're back into Windows, you can re-enable Avast with no issues.
Open Chrome went from 10 seconds to almost 30 seconds. Launching "Microsoft Solitaire Collection" went from 30 seconds to almost 2 minutes. Time from right click until menu went from 2-3 seconds to almost 10 seconds. Right click on the start flag went from 5 seconds to display the menu to around 15 seconds. Perceived system response in general is extremely sluggish.
I've been using Avast on and off for 12 years. I'm far from being biased against it. I'd have no qualms at all with buying the 5 licenses I need, if they could get system performance impact under control. When I was selling computers, I installed Avast free on every computer I sold. I stopped doing so because customers were removing it due to the performance impact. BUT, that has nothing to do with this thread.
Back on Topic:
For those running Avast on Win8.x, disable it to download and install KB3000850. Actually disable it. Don't just select the option to disable for 30 minutes or until Restart. Disable it completely until the update is done installing. Once you're back into Windows, you can re-enable Avast with no issues.
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Posts: 22408
Joined: 2008-07-14
Disable Avast during the update process..... That's what I did. Ended up switching back to Panda Cloud afterwards though since Avast still has insanely high performance impact.