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Installing new add-ons

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  • Last reply by cor-el

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Firefox wasn't loading webpages properly I tried restarting Firefox then I restarted the computer neither worked. Then I reset Firefox, which solved my issues. Everything transferred over nicely but I had to re download all my add-on's. There was no troubles there either. However when I wanted to add more search engines to the search bar it give me this message "Sorry, you need a Mozilla-based browser (such as Firefox) to install a search plugin." I copies my old search engines over but I can't add any new ones.

Firefox wasn't loading webpages properly I tried restarting Firefox then I restarted the computer neither worked. Then I reset Firefox, which solved my issues. Everything transferred over nicely but I had to re download all my add-on's. There was no troubles there either. However when I wanted to add more search engines to the search bar it give me this message "Sorry, you need a Mozilla-based browser (such as Firefox) to install a search plugin." I copies my old search engines over but I can't add any new ones.

Chosen solution

Make sure that you do not block JavaScript.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.

What can't of problems did you previously had with loading web pages?

If it happens again then you can first try some basic steps like these:

Reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • Press and hold Shift and left-click the Reload button.
  • Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • Press "Command + Shift + R" (MAC)

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"
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Chosen Solution

Make sure that you do not block JavaScript.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe mode start window or otherwise make changes.

What can't of problems did you previously had with loading web pages?

If it happens again then you can first try some basic steps like these:

Reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • Press and hold Shift and left-click the Reload button.
  • Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • Press "Command + Shift + R" (MAC)

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"