What can cause a firefox is already running pop up - Ubuntu [closed] - firefox

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Closed 8 years ago.
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I've installed a monitoring web app to a client a while ago. We use Firefox to run it and it appears that we keep having a "Firefox is already running, but is not responding" popup on the client side. Sometimes it works well, and sometimes, we're not even able to restart Firefox.
As we're on a Ubuntu system, I can do a
killall -9 firefox && firefox
to restart Firefox but I would prefer to know why this problem is happening.
Do you know how I can investigate this issue ? Are they some Firefox dev-mods or crash logs I can enable to get some infos about why it's not responding ?
Some technical stuff about the web app which could help I suppose:
- it's working with Django 1.5 threw Apache2
- it uses ajax with Mootools to refresh regularly (it's a monitoring system)
Thanks in advance, and tell me if you need any other details

Finally I figured out what was wrong : we were using a VNC connexion to see X and it appears that Firefox has difficulties managing display on two X instances

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Chrome keeps telling me to update flash player, but nothing happens [closed]

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Closed 2 years ago.
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I've recently switched to Chrome as my default browser. Ever since, I always get notifications to update flash player, the official adobe installer launches, I hit download, and nothing happens.
What is going on? How do I stop this from happening? How do I get flash updated? When I go to chrome://components/ and click update on Flash I get "component not updated". Any ideas?
I do use Chrome on OS X and also on windows. I don't have any issues on windows, but on mac I always get these update prompt.
I downloaded the uninstaller for flash from here and used it to uninstall from my system. Chrome seems to run its own instance of Flash, so that seemed to work so far.

Google chome command line switch not working on Mac [closed]

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Closed 6 years ago.
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I'm trying to pass the following command line switches to Google chrome (Version 51.0.2704.106 (64-bit)) on OSX 10.9 and it's not working:
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --proxy-server="99.99.99.99:66" --remote-debugging-port=9999 google.com
Not going through the proxy and remote debugging port is not opened. How can I make this work?
Make sure you close all instances of Chrome first before running the command. It also looks like, at least from my tests, that it only supports HTTP proxies. The SOCKS proxy I created via an SSH tunnel didn't seem to work for me, whereas after I configured tinyproxy, it worked fine.

Is it possible to make Google Chrome Canary default browers on OSX Yosemite? [closed]

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Closed 7 years ago.
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It was my default browser previously but it doesnt work anymore. please see screenshot of the settings below.
This is a secondary installation of Google Chrome, and cannot be made
your default browser.
Seems like other people have encountered this issue already.
One solution I found here (pre-yosemite):
For Mac users all you need to do is run Safari and then head to preferences and change the “Default web browser” to Canary from the dropdown menu.
And this has been asked on superuser for windows as well, and this is mentioned for yosemite:
In OSX Yosmite 10.10.3 - System Preferences -> General -> Default web browser (set to Google Chrome Canary)
Does any of the above work for you?

Unable to launch certain applications in MAC [closed]

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Closed 8 years ago.
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I've searched everywhere and can't seem to find a single answer to satisfy my issue. I have a few applications on Mac (10.9.2) that no longer open via their icons. I can open a Terminal window and type 'open /Applications/[app_name]' and they work fine but attempting to open via the LaunchPad fails. IntelliJ is the most recent application that is causing me headaches. When I click on the icon I receive the following error in the system log:
com.apple.launchd.peruser.503[306] (com.jetbrains.intellij.ce.76944[5866]): Exited with code: 1
I have checked my UID and I am 503 so I should be able to open it. This only happens with certain applications though. Network Connect (Juniper Networks) is another one that has recently started to cause issues:
com.apple.launchd.peruser.503[306] (net.juniper.NetworkConnect.30128[6000]): Exited with code: 1
Any help in understanding what is going on would be greatly appreciated!!
I love how I keep being the one to answer my own question but anyways, I found the solution. I ended up reverting the LaunchPad back to its default settings by using the following command:
rm ~/Library/Application\ Support/Dock/*.db; killall Dock
Once the dock database was rebuilt everything worked as expected. Hopefully this helps other out there who have this problem.

dll error / mysterious system crashes [closed]

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Closed 8 years ago.
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I bought my mom this cheap dell for use in her kitchen. She literally does nothing but facebook games, youtube, and email on this computer.
She keeps getting an error about:
api-ms-win-core-com-l1-1-0.dll
The only problem, is that the error message appears and then within a few seconds the entire system just shuts down. So I'm not sure if its missing this .dll, or what specifically the issue is. There is nothing particularly wrong with the computer except that sometimes it just randomly displays this message then shuts down.
Is there an easy fix? Or should I just wipe the drive and reinstall windows?
I just went ahead and installed Ubuntu 12.04 on the system.

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