Itunes is running but not open

Two days ago, I signed up for Itunes match. Then the box appeared on my iphone and ipad that new ios 6 ready to download. I did that.
Now I go to my main PC that holds all my music (it is A LOT!) and itunes will not open. It is running in the processes but not open on my computer. I plugged the iphone into the PC to see if that would jumpstart the program.. nothing happened. I tried opening a song outside of Itunes from the itunes media folder...nothing happened. I tried all the "this fixes it!" help like uninstall/ reinstall itunes/ quicktime... NOTHING. Quicktime opens but freezes. I have gone through the troubleshooter... since I use this PC for my business, it scans daily with several reliable antivirus as well as spyware and malware programs.
No other program has stopped working. This is a system wide issue as my husband logged on and it did not open for him.
I am running Win 7 64 bit. Google chrome is my browser. PC is fairly new ... possibly 2 years old.
Please advise a solution.
Thanks

Maybe the error is because you have a too old PC, so it will not work, because it needs too much RAM
Can you write your PC dates?
Try also to re-install itunes

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TS1717 Itunes re-installed but not opening

Itunes was running on my Windows 7, 64 bit, Core I7 laptop, but it stopped recognizing my ipod touch. WIndows would see the device, but not Itunes. So I checked the Apple support site and it suggested totally uninstalling Itunes and Quick Time and associated components and re-installing. I downloaded the latest Itunes and installed, but I can't get it to open. WHen I click Itunes, after about 30 seconds I see a message "The file 'Itunes Library.Itl' cannot be read because it was created by a newer version of Itunes". After that message I see diskactivity for another minute or 2, but I tunes never opens. I tried uninstalling and re-installing a couple of times but the results are the same. Any ideas?

You will find the Photoshop program installed in your Applications folder. It sounds like you are opening the installer instead of Photoshop itself.

Hi, i have problem when installing itune. it said: Could not open key HKEY_LOCAL_MACHINE32\SOFTWARE|Microsoft\Windows\CurrentVersion\Run. Verify that you have sufficient access to that key, or contact your support personnel. please help me!

hi,
i have problem when installing itune. it said:
Could not open key HKEY_LOCAL_MACHINE32\SOFTWARE|Microsoft\Windows\CurrentVersion\Run. Verify that you have sufficient access to that key, or contact your support personnel.
Please help me i can't do anything without itune

For "Could not open key/write value" errors when reinstalling try b noir's user tip:
"Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\
[LongStringOfLettersAndNumbers]" error messages when installing iTunes for Windows.
The technique can be applied to the branch of the registry mentioned in the error message.
For general advice see Troubleshooting issues with iTunes for Windows updates.
The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.
Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

I can't open firefox the running but not responding window opens and says to close the existing window. I can't do that shutting down the computer doesn't do anything to help. I've done all the suggestions here. I've uninstalled and reinstalled firefox

Firefox will not open. I get the firefox is already running but not responding window... I have tried rebooting with no help. I have tried to end the process via cntrl+shift+esc and nothing firefox is listed to end. I have tried find the app data via the run icon in the start up window, I have no run icon on this system (Acer with windows vista(?)
== This happened ==
Every time Firefox opened
== The computer was hard shut down and did a improper shut down scan when it was restarted ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; FunWebProducts; GTB6.5; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729)

I am having a similar problem. Running Xp.
Latest revision of firefox.
After using firefox for a while if I exit, parent.lock is locked and i have to reboot to reload firefox.
I have killed all firefox applications from task manager (usually there are none). and I have tried 3 different "file unlock" programs including unlocker to no avail.
I also recently installed a program that shows -all- open files, and parent.lock is not listed, and thus not closable/unlockable from there.

I get this message box when I click on a link (in a document or email)"firefox is already running, but not reponding. To open a new window, you must first close the existing firefox process, or restart your system"

if Firefox is already running and click on any link in Word, Excel, Outlook, etc. A message box pops up and I have to hit OK to close it.
"firefox is already running, but not reponding. To open a new window, you must first close the existing firefox process, or restart your system"

if Firefox is already running and click on any link in Word, Excel, Outlook, etc. A message box pops up and I have to hit OK to close it.
"firefox is already running, but not reponding. To open a new window, you must first close the existing firefox process, or restart your system"

Firefox is already running, but not responding to open a new window

I closed the only opened Firefox process that was running. Then clicked the Fox to start Firefox again. I received a message: Firefox is already running, but not responding, to open a new window. You must close the existing Firefox process, or restart your system. This is a stupid message since there is no Firefox in process.
== This happened ==
Not sure how often

Hello Lara.
Hopefully this support article is what you need:
http://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit

Wont start. says is running but not responding. open taskmanager but no firefos under processes. restart computer and get same.

when i click the firefox icon to open firefox it pops up a box that says that firefox is running but not responding. i open taskmager to close the firefox process but there is no firefox process listed. i restart my computer and get the same result. firefox appears to still be running but not responding even after a restart. i even tried a cold boot ad got the same results. performed a full virus scan and excep for some tracking cookies it came up negative. i deleated the firefox kernal and downloaded a new copy and installed it. got same problem.

See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* https://support.mozilla.com/kb/Firefox+hangs

I am connected to the internet and I close all tabs on the screen. Now I want to open a new tab, but Firefox opens a pop-up window stating"Firefox is already running, but not responding . To open a new window, you must first close the existing Firefox pr

I am connected to the internet, but all tabs are closed. Now I want to open a new tab, But Firefox pops-up with "Firefox is already running, but not responding. To open a new window, you must first close the existing Firefox process, or restart your system". Does anyone here know how to fix this? Thank´s, BL.
== This happened ==
A few times a week

Firefox is shutting down windows I want to remain open. Example: I am done viewing one window. I click the X to shut the window and it shuts two windows. Every single time, attempt to close one windows, two windows close. Lately, I have been opening several windows with nothing but google search, just so it will shut that window and not something else I want to remain open. I could understand this if I was using tabs, but I am not. This has been going on for over two weeks. I don't like going back to history to open a window, I did not want closed in the first place. Isn't that what 'Windows' is all about? Any ideas?

My iPhone 3gs is not able to connect through internet. I have a Airtel wireless at home.Phone connects through wireless but not opens any page or itune or apllications

My iPhone 3gs is not able to connect through internet. I have a Airtel wireless at home.Phone connects through wireless but not opens any page or itune or applications.

Hi,
can you provide a bit more detail, as can you use the 3G network to access the web, and what security is your wireless using?
Regards
Ryan

I can't open my itunes store. I can open my music library and sync but not open my music store. I have deleted and reinstalled ituens and still not good. Help

I can't open my itunes store. I can open my music library and sync but not open my music store. I have deleted and reinstalled ituens and still not good. Help

I assume you are talking about iTunes on your computer, if so, you will have to remove all Apple programs associated with iTunes:
iTunes, QuickTime, Apple Software Update, Apple Mobile Device Support, Bonjour and Apple Application Support (iTunes 9 or later)
Make sure everything that is by Apple is removed including Safari. You can sort by "Publisher", when you uninstall programs. Make sure you have at least one other web browser (like Firefox or Internet Explorer) before removing Safari. That way you can go back to the Apple web site and redownload iTunes later.
Reboot the computer then reinstall iTunes. Everything should work normally.

App appears as installed in app store but not open and not run, and the icons are gone from the home screen

app appears as installed in app store but not open and not run, and the icons are gone from the home screenapp

Try quitting the App Store app and relaunching:
Closing Apps on iOS

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Firefox 29.0.1 on Windows 7 (64-bit): ALWAYS get "Firefox is already running but not responding..." error and need Task Manager to close/restart Firefox.

I run Firefox 29.0.1 on Windows 7 (64 bit) and I get the "Firefox is already running but not responding. In order to open the program you must close the existing window." error. EVERY TIME I try to start Firefox. The posted solution works to start the program, but it is not a permanent solution. I go through the Task Manager and end the old Firefox process, then I can open a new window. While working, I can open multiple tabs and multiple windows, everything seems to (usually) work the way it should. Then after I completely exit Firefox, in order to open the program again I need to fix the SAME error again. Every time. It doesn't seem to hurt anything really, but it is quite annoying.
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'''https://support.mozilla.org/questions/997866?esab=a&s=&r=1&as=s'''.<BR>
This is not a cure but will make it easier if Firefox locks up.

On switching on, a message says 'Firefox is already running but not responding...........' then tells me to close it and restart but how can I close it when the page isn't yet displayed?

When I switch on my computer I get the desktop then I try to click on Mozilla Firefox but get the message, 'Firefox is already running but not responding. To open a new window you must first close the existing Firefox process or resart your system.' I looked up how to close but I need to click on 'file' then 'exit'. How can I do that when I can't see the page yet? IE is working fine.

See also [[Firefox is already running but is not responding]]

When I try to start Firefox, I get a message that it is already running but not responding and I can't run another Firefox at the same time. I uninstalled and reinstalled. No change. Tried various other suggestions. Help!!

When I try to start Firefox, I get a message that it is already running, but not responding and that I should close it before trying to run another Firefox. But I cannot find a way to close Firefox program that is not running as far as I can see. I tried uninstalling and reinstalling Firefox, but that did not work. I've tried various other things, but no luck. I thought programs should stop when the computer is turned off, but that didn't work either.

How are you opening the Profile Manager?
*http://kb.mozillazine.org/Profile_Manager
Sounds that Firefox is still or already running.<br />
See:
*http://kb.mozillazine.org/Kill_application

Itunes is running but not open

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