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Rohkem teavet

Firefox won't recognize my Windows 7 Home Premiun 64bit as a 64bit OS

  • 5 vastust
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  • Viimati vastas lmlindaman

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I'm trying to install Firefox Quantum in my Windows 7 Home Premium 64bit OS (Service Pack 1) PC. The browser say Firefox ESR 52.5.5 (32-bit). I've tried to go to a manual install of Quantum, but it says that I have to have a 64 bit OS, which my computer says that it has.

I'm trying to install Firefox Quantum in my Windows 7 Home Premium 64bit OS (Service Pack 1) PC. The browser say Firefox ESR 52.5.5 (32-bit). I've tried to go to a manual install of Quantum, but it says that I have to have a 64 bit OS, which my computer says that it has.

Valitud lahendus

By manual install are you using the full Firefox 57 setup for 64-bit Windows from www.mozilla.org/firefox/all ? or the stub installer from www.mozilla.org ?

Your user agent shows it as Firefox on Vista (NT 6.0) : Mozilla/5.0 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0

https://support.mozilla.org/en-US/kb/how-reset-default-user-agent-firefox

Though it could be you are running Firefox in Vista compatibility as mentioned above.

Loe vastust kontekstis 👍 1

All Replies (5)

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Your UA says it's Vista, not 7.

If it's 7, you should able to install it if you have 2GB RAM or more.

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No, it is Windows 7 Home Premium 64bit. I just ran the Windows Update to be sure there wasn't anything missing and it loaded Win7 updates. If I had "moved" my software and files from my old machine (windows vista) several years ago, would Firefox still think it on a Vista machine? If so, how to get rid of the old version?

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First, could you check why your Firefox tells websites you run Vista? The most common reason would be using a compatibility downgrade. You can check that as follows:

Find the icon you use the start Firefox, and either:

  • Right-click a desktop shortcut, then click Properties
  • Right-click a Firefox icon pinned to the Taskbar then right-click Mozilla Firefox, then click Properties

You should clear all the boxes on the Compatibility tab for best results (giant screenshot below). Then exit/restart Firefox to check the results. For example, on my test page, it should say Windows NT 6.1 instead of Windows NT 6.0 in the "user agent":

https://www.jeffersonscher.com/res/jstest.php

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Valitud lahendus

By manual install are you using the full Firefox 57 setup for 64-bit Windows from www.mozilla.org/firefox/all ? or the stub installer from www.mozilla.org ?

Your user agent shows it as Firefox on Vista (NT 6.0) : Mozilla/5.0 (Windows NT 6.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0

https://support.mozilla.org/en-US/kb/how-reset-default-user-agent-firefox

Though it could be you are running Firefox in Vista compatibility as mentioned above.

Muudetud James poolt

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Thanks to everyone for all the help. For some reason it was running in "compatibility" mode. Eliminating that allowed it to update to Quantum.