Download error, Change file association.

I’ve got this error message when I downloaded PDF from the website. Firefox says that PDF file could not be opened because of file association that does not exist. Changing the file association is recommended. What should I do with the file association?

I have also...

Hi,

Just yesterday morning everything was fine about my monitor, I even played games for a while and nothing seems wrong.

However, when I boot up the PC and turned on the monitor, multi-colored vertical lines (like the ones on the picture below) appeared.

Can you tell me the possible causes of...

Duplicate instance of Firefox detected.

Why on earth that every time I run my Firefox browser, a warning message saying Firefox is already running but not responding appears. A need to close the other instance before I can run the Firefox is instructed.

As what I have said, every time I...

Firefox Primary Profile in Use

This is the first time that I have encountered this error message saying that the Primary profile is in use.

I don’t know what "Primary" profile is. Is it the profile I am using in my operating system?

I really don’t know. So, please help me find...

Firefox Unresponsive Script.

I encountered this warning message from Firefox before. Every day, during my browsing activity, the warning message shows always. But as the days pass by, the warning message stops appearing. I got this warning message before because I didn’t shut down my Firefox browser properly.

Yesterday, it started...

Hi All,

Sound problem in Ubuntu Device /dev/dsp can’t be opened

Informational - artsmessage

 Sound server informational message:

 Error while initializing sound driver:

 Device /dev/dsp can’t be opened (No such file or Directory)

 The sound server will continue, using the null output device.

 Do not show this message again 

                                    OK

Can anyone help

i am not able to share my desktop with laptop when I connect both to each other and start sharing and try to open my desktop from laptop.  It says, "enter user name and password".  I have entered the password many times but it says  incorrect password and I...

How software works in an ongoing business? how do software boost an income for retail business? how to make a software application? how to generate an income using multimedia software?

How software makes profitable for an ongoing business? how many software can apply in a new website?

I am trying to make an account on a web hosting site i.e t35.com. But on the signup page I'm getting an error about captcha. It's saying that 'you have to enter captcha' and problem is that there is no captcha. Instead of captcha it is showing some code...

Reported Attack Site! Warning messages in Firefox. I bookmarked the site with the title Kristen Bell Online,  just a few hours ago. I have not encountered any warning message from Firefox ever since. But as I go back on the site which  I think, an hour ago, Firefox displayed a...