Flash uninstalls every time I restart firefox

Every time I close Firefox, Flash uninstalls. Every time. I am getting tired of reinstalling manually every time I want to view a site that uses Flash. Please help!

Did you try creating a new Firefox profile ?
Did you succeed in getting a new clean profile running, one with no add-ons, and only the default bookmarks lists ?
* open the new profile in Firefox's [[safe mode]], check it has no plugins listed, or if it has uninstall them whilst in safe mode
* restart firefox again using this new profile and check it shows no add-ons or plugins.
* just to be sure restart your computer and check again
If so did you then try to open that new profile and install the Flash player plugin into it.
May also need to consider
* http://kb.mozillazine.org/Preferences_not_saved
A clean reinstall may solve the problem but do not try that yet, because you could loose information. You are mentioning multiple profiles by this I guess you are referring to having multiple Windows accounts on your computer
* is that correct ?
** or are you for instance using multiple Firefox profiles already from a single Windows account
* do all users have bookmarks and/or passwords that you may like to retain ?

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It is possible that there is a problem with the file(s) that store the extensions registry.
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*https://support.mozilla.org/kb/Profiles
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See "Corrupt extension files":
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Hi earlten
This is a '''Community-Driven''' Support Web Site for Firefox.
The community are volunteers; just ordinary users like yourself who use the Firefox browser and try to offer other users free support. Please remember this and moderate your language to show some respect. I know you are frustrated, but venting this on people who do their best to help others in their free time is not likely to be well received.
Please just state clearly the problem you are having and other users will see if they can help you.
For example: Every so often I check whether my plugins are up to date by using this link:
http://www.mozilla.com/en-US/plugincheck/[[http://www.mozilla.com/en-US/plugincheck/]]

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Thanks Cor-el, I have tried your suggestion of deleting the pluginreg.dat without affecting the problem.
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My homepage is set to igoogle.nl and every time i restart firefox my homepage changes to another homepage so i have to set constantly my homepage back to igoogl.nl

my homepage is igoogle.nl and every time when i restart firefox it changes to another homepage.
so everytime i must change it back to igoogle.nl
i hope you have an answer for me.
greetz,
Henk

See:
*http://kb.mozillazine.org/Preferences_not_saved
*https://support.mozilla.com/kb/Preferences+are+not+saved

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i don't use any cleanup tools & MSE is my security software, which is rather unobtrusive and shouldn't interfere here...
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Thanks
Later on ... Please allow me to add a bit more to the story. When I download the lastest version of flash and install it, FF works. When I relaunch FF I cannot simply reinstall the latest downloaded version of Flash in my "download" list. It is basically unuseable and I must download the entire package again to get Flash back up and running. The second method discribed above has an additional twist, I must wait until FF is up and running (because a new "macromedia.com" file is created a launch) then delete the “macromedia.com" file then it will work. Goofy - so I put a shortcut to the folder on my desktop and I can delete at will. What a pain!

So the uninstall and fresh install did not do anything to improve the situation.
And i just noticed that I misspoke about the macromedia.com file - it is not a file but a folder that contains other folders in the following manner C:\Users\Owner\Appdata\Roaming\Macromedia\Flash Player\macromedia.com\support\flashpayer\sys
The bold folder is the one I delete. This folder in total is quite small 8 kb. In the last sys folder there are two more folders one called #s.nsdsvc.com and #s.ytimg.com and a file call settings.sol
So, I am going to do some more testing with this and give even more specifics very soon.
After poking around a bit....when I delete this setting.sol file everything starts working as it should. This file appearantly is my "work/no work switch". I was just deleting more than I need to with the macromedia.com folder zap. The same problem of flash not working still persists but I have it narrowed down to this settings.sol file. Is there something in my flash settings that can be flipped on or off to make this problem go away? I feel that I am close to a solution...maybe.
Here is the information found in that file settings.sol (copied from notepad so it is a little garbled with tabs):
¿   ßTCSO
settings
gain @I
echosuppression     defaultmicrophone
defaultcamera
defaultklimit @Y
defaultalways     windowlessDisable     autoUpdateDisabled     autoUpdateDefaultUpdated     autoUpdateInterval @
autoUpdateLastCheck BsJÄÀ‡
crossdomainAllow     crossdomainAlways     secureCrossDomainCacheSize ¿ð
allowThirdPartyLSOAccess     trustedPaths
   safefullscreen     disallowP2PUplink     domains   s.ytimg.com
Truly greek to me.
Message was edited by: EricP010312

Why do I need to re-install flash player every time I restart my PC

About a week ago my I nocticed that when every I tried to watch a flash video (with the exception of using Chrome) I was asked to install flash player with I already had installed. However if I reinstall it everything works until I restart my PC. Needless to say the is getting frustrating but I can't seem to fix it. I have tried uninstalling and reistalling but this doesn't help... Once I restart the computer it doesn't work. Any help would be appriated.
Edit: Forgot to mention I'm running Windows 7 (64 bit).

Try a clean install as described in http://forums.adobe.com/thread/928315
Download the installers from http://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html#Ins tall_in_a_firewall_proxy_server_environment
If the problem persists, run the uninstaller again, then try fixing the permissions on your system: http://forums.adobe.com/thread/987370

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'''''Email removed by moderator to prevent spam'''''

Hello Chris,
I recommend you remove your email address from your question. This forum is on the public web so there is a chance that spammers, who regularly crawl public websites in an attempt to find email addresses, will find your email address. You will end up getting a lot of spam emails.
Regarding your problem with themes - please see the following two support articles for help:
https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
http://kb.mozillazine.org/Preferences_not_saved
I hope that helps. Please let us know if not. :)

Flash uninstalls every time I restart firefox

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