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#1
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Need help --XPcom
I made a sad mistake --- using Firefox, today it asked
if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. |
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#2
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Need help --XPcom
Mathedman wrote:
I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. Have you tried googling for a solution? |
#3
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Need help --XPcom
On 11/15/2017 12:35 PM, Paul in Houston TX wrote:
Mathedman wrote: Â*Â*Â* I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. Â*Â* In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give messageÂ* "COULDN'T LOAD XPCOM". Â*Â*Â* Any help to clean up this mess would be appreciated. Â*Â*Â* Thanks. Have you tried googling for a solution? What did i say above. I can't use google (nothing works means nothing works!) |
#4
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Need help --XPcom
On Wed, 15 Nov 2017 08:32:08 -0600, Mathedman wrote:
I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. You've got a backup and/or backup image, right? -- s|b |
#5
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Need help --XPcom
On 11/15/2017 1:21 PM, s|b wrote:
On Wed, 15 Nov 2017 08:32:08 -0600, Mathedman wrote: I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. You've got a backup and/or backup image, right? No recent backup -- and "backup" doesn't save Windows ? |
#6
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Need help --XPcom
Mathedman wrote:
On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. Have you tried googling for a solution? What did i say above. I can't use google (nothing works means nothing works!) No IE? |
#7
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Need help --XPcom
Mathedman wrote:
On 11/15/2017 1:21 PM, s|b wrote: On Wed, 15 Nov 2017 08:32:08 -0600, Mathedman wrote: I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. You've got a backup and/or backup image, right? No recent backup -- and "backup" doesn't save Windows ? That depends on how you backup. Restore Points are not a backup. You can tell from the size (1GB per, or less), that they're incremental. There isn't a copy of every file in there. They can roll back system state (for cases where nothing else is damaged), but you have to read the documentation to understand what is covered. The single most valuable item in a Restore Point is a copy of the registry files. Any time a Windows computer is attacked by malware, the staff at helper sites like Bleepingcomputer, they will tell you to dump the restore points immediately, as they'll all be infected. Restore Points are not a "trustworthy feature". They are mainly useful for "trivial" rollback situations. If you just had a meltdown, don't expect miracles by using it. On later versions of Windows, you can run DISM and SFC offline, and try to fix OS components that are damaged. That won't work on Windows 7. The closest Windows 7 gets to DISM is CHECKSUR (a download), and it's an online check with the OS running. ******* Some people just copy their Downloads folder to a USB stick. That's not a comprehensive backup. The imaging option in the Control Panels (Windows 7 backup), backs up at a minimum, the C: partition and System Reserved. It should be able to put back the OS if you made one. A third party solution, is Macrium Reflect Free, where you have more control of partition-by-partition backups. (There are at least twenty other programs that do this, and some of them offer free programs with the same feature set as this.) Generally, nobody "gives away" incremental backup capability. But full backup imaging, is free, simply because the Windows 7 Backup offers full backup images for free. http://www.macrium.com/reflectfree.asp Both of those tools, use an Emergency Boot CD. In the Windows 7 Backup window, is a link to click to start the making of the boot CD. In Macrium Reflect, it will hint many times that you should use its procedures, to make a Macrium Reflect WinPE based emergency boot CD. In that way, you can boot the CD, click "Restore", point the program at the external disk with your backup image(s) on it, and restore over top of C: and System Reserved. That's a full backup, that can repair most everything you could trash on the OS itself. That would get you out of your current mess. When my copy of Windows 7 was completely and utterly trashed one day here (the three repair cycles couldn't fix it), that's what saved my ass. Doing C: backups, saves you time on reinstalling the OS, installing Service Packs, installing Security Updates, reinstalling and configuring all your programs, bringing back your email folder from somewhere, and so on. A great time saver. For a well maintained C: , devoid of extensive downloads, it should take about ten minutes (disk-to-disk backup). The Windows Backup also has the option of backup to DVD, but at around 30 minutes per DVD, and a four or five DVD minimum, you'd have to be insane to put up with that. If you must store to DVD, do it *outside* the Windows Backup environment. Windows is *not good* at formatting DVDs, erasing them, realizing it should erase the rewritable disc you just inserted, and so on. You have to baby-sit the procedure. If you want to waste DVD+R discs, that will work smoother. A third-party burner program, and segmenting the image, will store it on DVD if that's what you want. I tested the Win7 Backup to DVD, and will never do that again! ******* Your error message, the term XPCOM is defined here. https://en.wikipedia.org/wiki/Xpcom Cross Platform Component Object Model XULRunner xul.dll (browser engine) That really should not be attacking desktop components. The plugins or addons that Firefox no longer accepts, might have been candidates for that subsystem. ******* Perhaps you could take a screenshot, and post it to a picture hosting site, so you can share what you're seeing. Since nothing is working on your computer, that means using a digital camera rather than Win7 Snipping Tool, and posting a URL to the picture using some other computer. Paul |
#8
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Need help --XPcom
On 15/11/2017 18:45, Mathedman wrote:
On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. Have you tried googling for a solution? What did i say above. I can't use google (nothing works means nothing works!) how did you manage to post here then? So "(nothing works means nothing works!)" means "Something works" . -- With over 500 million devices now running Windows 10, customer satisfaction is higher than any previous version of windows. |
#9
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Need help --XPcom
On 11/15/2017 10:45 AM, Mathedman wrote:
On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: Â*Â*Â* I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. Â*Â* In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give messageÂ* "COULDN'T LOAD XPCOM". Â*Â*Â* Any help to clean up this mess would be appreciated. Â*Â*Â* Thanks. Have you tried googling for a solution? Â*Â*Â*Â* What did i say above. I can't use google (nothing works means nothing works!) YOu could give this a try I can't open Firefox, it says couldn't load xpcom. Whats wrong? Hello, 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. https://support.mozilla.org/en-US/questions/965228 |
#10
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Need help --XPcom
"Mathedman" wrote | In disgust, I deleted it and ran system restore. It worked | I thought, But now nothing works. Every No icons work but give | message "COULDN'T LOAD XPCOM". Maybe try re-installing the new version and then uninstall it properly. Another note: Recent versions of FF break compatibility with older extensions. The supported version 52 can be set to allow older extensions. Unless you just like to live on the edge there's probably no reason to use the very latest. |
#11
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Need help --XPcom
On Wed, 15 Nov 2017 08:32:08 -0600, Mathedman wrote:
I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. 1) Browser will not start up -- "Couldn't load XPCOM" error http://kb.mozillazine.org/Browser_wi...COM .22_error 2) Fix: Firefox couldn’t load XPCOM in Windows http://www.thewindowsclub.com/firefo...-xpcom-windows 3) I am receiving a "couldn't load XPCOM" error. https://support.mozilla.org/en-US/questions/1029239 -- Kind regards Ralph 🦊 |
#12
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Need help --XPcom
Ralph Fox wrote:
On Wed, 15 Nov 2017 08:32:08 -0600, Mathedman wrote: I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give message "COULDN'T LOAD XPCOM". Any help to clean up this mess would be appreciated. Thanks. 1) Browser will not start up -- "Couldn't load XPCOM" error http://kb.mozillazine.org/Browser_wi...COM .22_error 2) Fix: Firefox couldn�t load XPCOM in Windows http://www.thewindowsclub.com/firefo...-xpcom-windows 3) I am receiving a "couldn't load XPCOM" error. https://support.mozilla.org/en-US/questions/1029239 I suspect this is a new behavior, related to Firefox 57. My attempts to search for a Nov.2017 XPCOM issue have turned up nothing. In the source for Firefox 57, in "nsBrowserApp.cpp" there is the one instance of the error message. This is the only place in the program that message appears. InitXPCOMGlue(const char *argv0) ... gBootstrap = mozilla::GetBootstrap(exePath.get()); if (!gBootstrap) { Output("Couldn't load XPCOM.\n"); ----- return NS_ERROR_FAILURE; } What it appears to be hunting for, is the path of the executable (as the name of the executable is stored in argv0 when Firefox is launched by a shell). The executable which probably contains this very subroutine (self-referential). The main() of Firefox is only inches away, just below this routine in that source file. Now, one reason for doing this, is because Firefox 57 is multi-process capable. Windows doesn't support tradition fork() (and since Firefox is multi-platform, other platforms would likely use such a method). It looks like the code instead, launches multiple copies of itself, and it probably passes a "personality" tidbit to each one, so they know what role they play. If you have Electrolysis enabled, it's going to open four or five or six Firefox processes in Task Manager. Any one of those could be throwing the error. Logically, it should be the first call that dies, but you never know. I tested Firefox 57 in 16299.64 and it installs with browser.tabs.remote.autostart False browser.tabs.remote.autostart.2 True That second item is in prefs.js in the profile folder. If the program is crashing, then a person could edit the prefs.js with Notepad and change the setting to False. I don't know where the browser.tabs.remote.autostart one is hiding, and there is another file in the profile that has some sort of preferences in it. The second entry was enough for me to drop Firefox to one process. If the browser was running, you could enter about:config in the URL bar, enter "browser.tabs.remote" in the Search box, and the two preferences will be present there. ******* This is not a fix, merely an experiment. If Firefox is running multi-process, it's going to go through main() code multiple times. It would take a change in an environment variable of some sort, for it to not be able to find itself when the second third or fourth process starts. The message *does not* appear to reflect the outcome of actually loading something. It merely attempts to find a path to the executable ("exePath.get") at that point in time. The loading is somewhere else. https://s8.postimg.org/tl50vm8z9/fir...process_57.gif https://s8.postimg.org/6wftw2u6d/firefox_57_status.gif Now, if the user moved the Program Files to D: or did some other customization, would that do it ? None of this makes sense, and it just shoulda worked. I'm grasping at straws here. My setup is bog-standard, and mine didn't break. I didn't really need to change to single-process mode, but nothing broke when I did. Paul |
#13
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Need help --XPcom
On 11/15/2017 2:27 PM, Paul in Houston TX wrote:
Mathedman wrote: On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: Â*Â*Â* I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. Â*Â* In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give messageÂ* "COULDN'T LOAD XPCOM". Â*Â*Â* Any help to clean up this mess would be appreciated. Â*Â*Â* Thanks. Have you tried googling for a solution? Â*Â*Â*Â*Â* What did i say above. I can't use google (nothing works means nothing works!) No IE? What did I say above? NOTHING WORKS. Every attempt to use a piece of software yields the message "COULDN'T LOAD XPCOM" |
#14
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Need help --XPcom
On 11/15/2017 7:50 PM, Good Guy wrote:
On 15/11/2017 18:45, Mathedman wrote: On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: Â*Â*Â* I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. Â*Â* In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give messageÂ* "COULDN'T LOAD XPCOM". Â*Â*Â* Any help to clean up this mess would be appreciated. Â*Â*Â* Thanks. Have you tried googling for a solution? Â*Â*Â*Â* What did i say above. I can't use google (nothing works means nothing works!) how did you manage to post here then?Â* So "(nothing works means nothing works!)" means "Something works" . Thunderbird doesn't rely on windows. |
#15
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Need help --XPcom
On 11/15/2017 8:42 PM, Mike S wrote:
On 11/15/2017 10:45 AM, Mathedman wrote: On 11/15/2017 12:35 PM, Paul in Houston TX wrote: Mathedman wrote: Â*Â*Â* I made a sad mistake --- using Firefox, today it asked if I wanted the new version. Foolishly, it turns out I said yes. It proceeded to mess up lots of stuff -- changed all icons, etc. Â*Â* In disgust, I deleted it and ran system restore. It worked I thought, But now nothing works. Every No icons work but give messageÂ* "COULDN'T LOAD XPCOM". Â*Â*Â* Any help to clean up this mess would be appreciated. Â*Â*Â* Thanks. Have you tried googling for a solution? Â*Â*Â*Â*Â* What did i say above. I can't use google (nothing works means nothing works!) YOu could give this a try I can't open Firefox, it says couldn't load xpcom. Whats wrong? Hello, 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: Â*Â*Â* Go to Firefox Help Troubleshooting Information. Â*Â*Â* Click the "Reset Firefox" button. Â*Â*Â* Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish. Â*Â*Â* Firefox will open with all factory defaults applied. DUH! NOTHING WORKS! That included Firefox --in fact, a Firefox "update" is what created this problem. |
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