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Lost FireFox after attacked by fake Microsoft support hack. Are my favorites gone for good?

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Firefox attacked by fake Microsoft support. Cleared by power down. now Firefox will not open. Can not find file. Windows 10.Tried system restore, no help. Any way to find my bookmarks?

Firefox attacked by fake Microsoft support. Cleared by power down. now Firefox will not open. Can not find file. Windows 10.Tried system restore, no help. Any way to find my bookmarks?

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/17.17134

More Information

FredMcD
  • Top 10 Contributor
4300 solutions 60395 answers

First, let's make sure your system is clean.

You may have ad/mal-ware. Further information can be found in this article; https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.

First, let's make sure your system is clean. You may have ad/mal-ware. Further information can be found in this article; https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.
FredMcD
  • Top 10 Contributor
4300 solutions 60395 answers

Ridewith said

Firefox will not open

Please explain the problem in detail. What happens? What is the exact error messages?

''Ridewith [[#question-1239360|said]]'' <blockquote> Firefox will not open </blockquote> Please explain the problem in detail. What happens? What is the exact error messages?
jscher2000
  • Top 10 Contributor
8837 solutions 72222 answers

Hi Ridewith, do you get a specific error message when you try to start Firefox? We may have an article on that or a fix for it.

Ridewith said

Any way to find my bookmarks?

Can you search for your Firefox data folder this way:

Select and copy the following shortcut path:

%APPDATA%\Mozilla\Firefox\Profiles

Paste that into the Windows 10 system search box or into the Run dialog (Windows key + R will call that up) and press Enter to load it. That should expanded to this hidden path:

C:\Users\username\AppData\Roaming\Mozilla\Firefox\Profiles

Here you will find one or more folders, each of which is a separate Firefox profile folder. The naming scheme has a random part, then a dot, then a more readable part, like

a12bc3d4.default

Each profile folder should contain a bookmarkbackups folder. The files in that folder will have the date and number of items coded into the names. These can't be opened directly by other programs, they are meant to be restored by Firefox.

If you found a bookmark backup file that you want to use:

I do have a tool to convert them to an importable HTML-format file if you want to see what is in the backup file before restoring it.

If you did NOT find a bookmark backup file that you want to use:

We'll have to suggest next steps.

Hi Ridewith, do you get a specific error message when you try to start Firefox? We may have an article on that or a fix for it. ''Ridewith [[#question-1239360|said]]'' <blockquote>Any way to find my bookmarks? </blockquote> Can you search for your Firefox data folder this way: Select and copy the following shortcut path: %APPDATA%\Mozilla\Firefox\Profiles Paste that into the Windows 10 system search box or into the Run dialog (Windows key + R will call that up) and press Enter to load it. That should expanded to this hidden path: C:\Users\''username''\AppData\Roaming\Mozilla\Firefox\Profiles Here you will find one or more folders, each of which is a separate Firefox profile folder. The naming scheme has a random part, then a dot, then a more readable part, like a12bc3d4.default Each profile folder should contain a '''bookmarkbackups''' folder. The files in that folder will have the date and number of items coded into the names. These can't be opened directly by other programs, they are meant to be restored by Firefox. '''''If you found a bookmark backup file that you want to use:''''' I do have a tool to convert them to an importable HTML-format file if you want to see what is in the backup file before restoring it. * Restore feature: [[Restore bookmarks from backup or move them to another computer]] * Converter: https://www.jeffersonscher.com/ffu/bookbackreader.html * Steps to import an HTML-format bookmark file: [[Import Bookmarks from an HTML file]] '''''If you did NOT find a bookmark backup file that you want to use:''''' We'll have to suggest next steps.