I can't open new tabs by clicking on the plus sign, or in file new tab

Whereas previously it was possible to open a new tab by clicking on the "plus" sign at the right of the last open tab, or by selecting "file" and "new tab", neither of these options work. New tabs will open for a new webpage, but a "blank" will not appear.

This issue can be caused by the Ask.com toolbar (Tools > Add-ons > Extensions)
Your system details show that toolbar in the user agent as AskTbBLPV5/3.13.1.18107
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

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I am not able to open a new tab by clicking on the division sign

I can't open a new tab by clicking on the division sign to the right of the current tab or by left clicking on the current tab and selecting "New Tab."

Uninstall the Ask toolbar and it should work again. There is a compatibility issue with the Ask toolbar and Firefox that prevents new tabs from being opened.
There are a couple of places to check for the Ask toolbar:
* Check the Windows Control panel for the Ask Toolbar - http://about.ask.com/apn/toolbar/docs/default/faq/en/ff/index.html#na4
* Also check your list of extensions, you may be able to uninstall it from there - https://support.mozilla.com/kb/Uninstalling+add-ons

I can't open itunes when I click onn the icon the message I get is "error new itunes library"

I can't open itunes..when I click on the icon on my desk top I get the message" error new itunes library". I have windows 7.

Hi beachy85!
When you remove iTunes, your music on your computer (and your iPod, too) will be saved.
Let's try this:
Go to "Add or remove programs" in Control Panel.
Find iTunes and QuickTime from this list, and remove them both.
Then, download the Windows Installer Cleanup Utility to remove the remainging installation files.
For information on the WICU, see this:
Description of the Windows Installer CleanUp Utility
Then, go to this page, and QuickTime (get the Standalone version, not the one that includes iTunes in the pack):
QuickTime download
Then, install iTunes from this page here:
Download iTunes - 7.1.1.5
After you've done that, restart your computer.
Now, try opening iTunes again. Do you still get that error message, or not?
-Kylene

I have received a .xlsx (excel) file. It is also ziped and I can not open it. I also have the same problem with .csv files. I can not open them either. How do I get them open. Thanks.

I have recived via an email attachment a .xlsx (Exel) file which is also zipped. I can not open it. I also can never get .csv files open. How do I overcome these two problems?
Thanks,
sorsini

drag it to the Desktop. double-click it to unzip it.

What happened to the little tab with the Plus sign to create an empty tab?

I recently upgraded from v3.6 through several versions to v8.01 of Firefox. There used to be a small tab with a plus sign at the end of the tab bar that allowed me to create a new empty tab. It seems to have disappeared somewhere beyond v4.0
What happened to it and how do I get it back? Yes I know I can turn on the toolbar button for a new tab, but having it at the end of the tab bar is more natural to use.

You can find the New Tab button showing as a '+' on the Tab bar. 
You can open the Customize window and drag the New Tab button that shows as a plus sign (+) from the Tab bar on another toolbar and it will become a regular toolbar button like the New Tab button that you have in Firefox 3 versions. 
If you can't find the New Tab button then click the "Restore Default Set" button in the Customize window. 
If you want the New Tab button at the far right end of the Tab bar then place a flexible space to the left of it. 
*http://kb.mozillazine.org/Toolbar_customization
*https://support.mozilla.com/kb/Back+and+forward+or+other+toolbar+items+are+missing

The plus sign button to add new events in iCal on my iPhone is missing.

On the top, to the right of "All Calendars" there is a plus sign that is used to add events. On my 4GS I have that and a "Calendars" button. On my husband's 3GS, those buttons are missing, making it impossible to add events to his calendar. Both phones have been upgraded to iOS5.
In Settings under Calendars the phones have the following choices:
New Invitation Alerts - Both phones - both set 'on'
Sync - only on his phone - set to 'All Events'
Time Zone Support - Both phones
Default Alert Times - Both Phones
Default Calendar - my phone only - set on Calendar (as opposed to Home, Work or Untitled)
Can anyone tell me how to fix this so he can add events to his calendar?
Thanks.

Go to Settings>iCloud>Calendar>On. Toggle it on and off. Leave it on if you want to sync with iCloud but then don't sync with your computer or you may get duplicate entries.

I cannot open new tabs by clicking on the plus mark or by right clicking and selecting new tab. Why is this? I have updated Firefox, and it did not help.

See above

That can a problem with the Ask.com toolbar (Tools > Add-ons > Extensions)
See:
* [[Troubleshooting extensions and themes]]

I click on the plus symble next to a tab, to open a new tab, the plus symble turns blue, but nothing happens. Why?

I want to open a new tab, I click on the PLUS next to the last tab opened, it turns blue, but does nothing. No new tab is open

Caused by the Ask Toolbar extension in Firefox 3.6.13+, disable that extension or un-install it.

When I want to open a new tab the plus sign doesn't work. What do I do to make that feature work?

This is a problem that I have found many work arounds to but I do not like to have to click on several things or push several buttons and would rather just click on the plus sign like in my sub accounts for win7.

Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Firefox is not allowing me to add new tabs. I'm pushing the plus sign next to my tab, and it is no longer adding new tabs. How do I fix this problem?

When I open Firefox, I automatically have one tab. The plus sign button to add more tabs is next to the one tab, but it no longer adds tabs when I click on it. When I click on it, it doesn't do anything. How can I fix this problem so I can have multiple tabs? I downloaded the most current version of Firefox, and I'm still having the same problem. I've had this problem for a little over a week now.

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!

Tabs in Firefox 7 won't work...I can't open a new tab by clicking on the +.....only way to open a new tab is via the FILE/new tab option

Tabs in Firefox 7 won't work...I can't open a new tab by clicking on the +.....only way to open a new tab is via the FILE/new tab option...it seems like a lot of the options/buttons are non-pressable??

This issue can be caused by the Ask.com toolbar (Tools > Add-ons > Extensions)
Your system details show that toolbar in the user agent as AskTbYLC/3.11.3.15590
See:
* https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

I can't get a new tab to open, either by pressing the + sign, going to file new tab or by right clicking and selecting new tab. What's the problem?

I can't get a new tab to open. I've tried pressing the + sign, going to file-new tab and by right clicking and selecting new tab. Why won't a new tab open?

Try "Ctrl+T" for a new tab.
known to create problems: ask.com & FoxTab
:https://support.mozilla.com/questions/844479

Can't open new tab by clicking on the "+" icon

I cannot launch a new tab by clicking on the "+" icon on the tab toolbar. However; if I right click it and select "new tab", then one opens
== This happened ==
Every time Firefox opened
== I'm not sure what caused this to happen. Only recently noticed it.

Try These Possible Solutions:
1. Restart Firefox and your computer.
2. Use the keyboard shortcut CTRL+T to open a new tab.
3. Run firefox in safemode (no add-ons) Go to start>all programs>Mozilla Firefox

In the previous version of Firefox you would open a new tab by clicking on the small "Open New Tab" button at the Right Hand Side of the Tabs. This button has now disappeared in my upgrade.

I just installed Firefox 4. In the previous version you would open a new tab by clicking on the small "Open New Tab" button at the Right Hand Side of the Tabs. This button has now disappeared in my upgrade. Firefox help still says you can open a new Tab by using the "Open New Tab" Button so how do I get it back??

I got it back by going to "customize toolbar" and hitting "restore default set"! Now there is a small tab next to my open tabs with a "+" on it.

I cannot close a tab by clicking on the "x" - nor can I open a tab from the tab bar

On the tab bar, FF opens multiple "new tab" tabs. No matter what I do I cannot close these tabs, or any other tab, by clicking on the "x". Also, I cannot access these tabs by clicking on them.

Note that the X is a close button and that the new tab button is styled as a plus (+) sign.
You can find the New Tab button showing as a '+' on the Tab bar. 
You can open the Customize window and drag the New Tab button that shows as a plus sign (+) from the Tab bar on another toolbar and it will become a regular toolbar New Tab button. 
If you can't find the New Tab button then click the "Restore Default Set" button in the Customize window. 
If you want the New Tab button at the far right end of the Tab bar then place a flexible space to the left of it. 
You can check for problems with the localstore.rdf file.
*http://kb.mozillazine.org/Corrupt_localstore.rdf
*https://support.mozilla.org/kb/Toolbar+keeps+resetting

I can't open new tabs by clicking on the plus sign, or in file new tab

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