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502 error code

Dear Sir or Madam: I seem to have a compatibility problem with my firefox browser. Not always, but often, I get a 502 error when I try to log in to my bank account. Af… (read more)

Dear Sir or Madam: I seem to have a compatibility problem with my firefox browser. Not always, but often, I get a 502 error when I try to log in to my bank account. After contacting my bank, I found out that their program is not compatible with firefox and that I should use Google, which choose to avoid. Is there a patch or fix that can get rid of the 502 error and allow me to continue using Firefox, which I have used for almost twenty years. I don't want to switch to Google, EVER! Please let me know what options I might Have.

Respectivly, Louis Osip

Asked by osiplou 2 months ago

Last reply by Ricardo Diez 3 days ago

  • Solved

NO WEBSITE ACCESS due to "Potential Security Issue" - SEC ERROR EXPIRED ISSUER CERT, no bypass or exceptions like I've been able to do in the past, plz help me

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head. I've been ignoring the updates since Feb… (read more)

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head.

I've been ignoring the updates since Feb and for very good reason because this time (138.01 or whatever) I'm unable to bypass these security certificate expired error codes that say:

"If your clock is already set to the right time, the website is likely misconfigured, and there is nothing you can do to resolve the issue. You can notify the website’s administrator about the problem." I literally was able to access all these sites without issue until I downloaded your must have update. How is this fixed???

Should I just uninstall FF and go back to Brave? I'm so tired of dealing with this as a normal day to day, no coding/tech background, etc. internet user.

Asked by DJ-meowz 4 days ago

Answered by jscher2000 - Support Volunteer 4 days ago

  • Locked

CAN'T ACCESS ANY SITES DUE TO RECENT UPDATE - SEC ERROR EXPIRED ISSUER CERT - no way to bypass this like Ive been able too in the past

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head. I've been ignoring the updates since Feb… (read more)

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head.

I've been ignoring the updates since Feb and for very good reason because this time (138.01 or whatever) I'm unable to bypass these security certificate expired error codes that say:

"If your clock is already set to the right time, the website is likely misconfigured, and there is nothing you can do to resolve the issue. You can notify the website’s administrator about the problem." I literally was able to access all these sites without issue until I downloaded your must have update. How is this fixed???

Should I just uninstall FF and go back to Brave? I'm so tired of dealing with this as a normal day to day, no coding/tech background, etc. internet user.

Asked by DJ-meowz 4 days ago

Last reply by jscher2000 - Support Volunteer 4 days ago

  • Locked

CAN'T ACCESS ANY WEBSITES DUE TO RECENT UPDATE - Potential Security issue, SEC ERROR EXPIRED ISSUER CERTIFICATE

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head. I've been ignoring the updates since Feb… (read more)

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head.

I've been ignoring the updates since Feb and for very good reason because this time (138.01 or whatever) I'm unable to bypass these security certificate expired error codes that say:

"If your clock is already set to the right time, the website is likely misconfigured, and there is nothing you can do to resolve the issue. You can notify the website’s administrator about the problem."

I literally was able to access all these sites without issue until I downloaded your must have update. How is this fixed???

Should I just uninstall FF and go back to Brave? I'm so tired of dealing with this as a normal day to day, no coding/tech background, etc. internet user.

Asked by DJ-meowz 4 days ago

Last reply by jscher2000 - Support Volunteer 4 days ago

  • Locked

CAN'T ACCESS ANY WEBSITES - SEC ERROR EXPIRED ISSUER CERTIFICATE- Unable to bypass..

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head. I've been ignoring the updates since Fe… (read more)

I dread the days where FF has an updated version of something for me to install.. because this issue ALWAYS rears its ugly head.

I've been ignoring the updates since Feb and for very good reason because this time (138.01 or whatever) I'm unable to bypass these security certificate expired error codes that say:

"If your clock is already set to the right time, the website is likely misconfigured, and there is nothing you can do to resolve the issue. You can notify the website’s administrator about the problem." 

I literally was able to access all these sites without issue until I downloaded your must have update. How is this fixed???

Should I just uninstall FF and go back to Brave? I'm so tired of dealing with this as a normal day to day, no coding/tech background, etc. internet user.

Asked by DJ-meowz 4 days ago

Last reply by jscher2000 - Support Volunteer 4 days ago

cookies need to be enabled for bikejournal.com

I can't log into my bikejournal.com site I get an error message - 500 - Internal server error It says to enable cookies on browser. I don't know how to do this. I hav… (read more)

I can't log into my bikejournal.com site I get an error message - 500 - Internal server error It says to enable cookies on browser. I don't know how to do this. I have been using this site for years and even used it last week but now I am not able to log in

Asked by jennyshumate 5 days ago

Trouble accessing my PSECU bank statements

I have been using my Firefox browser to access my PSECU bank account for years. Over the past two months I cannot access the online bank statement getting a 404 message. … (read more)

I have been using my Firefox browser to access my PSECU bank account for years. Over the past two months I cannot access the online bank statement getting a 404 message. I've contacted the bank and they say the issue is not with them but with Firefox. What can I do?

Asked by jeffcyn166 5 days ago

Problem accessing web sites.

keep getting blocked on websites that used to work. www.uhc.retiree.accounts.com Get response from https:cashnow An error occurred during a connection to cashnow.com… (read more)

keep getting blocked on websites that used to work.

www.uhc.retiree.accounts.com

Get response from https:cashnow An error occurred during a connection to cashnow.com. PR_CONNECT_RESET_ERROR

There is an Ad Blocker AVG that I can not get rid of. Frank

Asked by fplauf 6 days ago

Error code: SSL_ERROR_RX_UNEXPECTED_APPLICATION_DATA

I am getting this error message in Firefox when attempting to open site however can access site in Chrome. I have closed adblockers and cleared SSL cache. If it matters I… (read more)

I am getting this error message in Firefox when attempting to open site however can access site in Chrome. I have closed adblockers and cleared SSL cache. If it matters I am using a new Notebook with Windows 11 and have recently installed Firefox and it was working up until today

Asked by j forbes 1 week ago

Access denied to Xero software

Firefox is not letting me access Xero.com which is my primary use of working with clients. The message I get is Access Denied You don't have permission to access "http… (read more)

Firefox is not letting me access Xero.com which is my primary use of working with clients.

The message I get is

Access Denied You don't have permission to access "http://go.xero.com/app/!hQMY2/dashboard" on this server.

Reference #18.d0a31002.1746167983.29947563

https://errors.edgesuite.net/18.d0a31002.1746167983.29947563

Is there anything I need to do to allow go.xero.com be used.

Asked by hugo9 1 week ago

Last reply by jonzn4SUSE 1 week ago

urgent, PLEASE help! "access denied" errors that settings don't seem to fix

Need help with this problem, and need it desperately and quickly! So much so, that I bothered to actually make an account here to beg for help. I've been getting an "ac… (read more)

Need help with this problem, and need it desperately and quickly! So much so, that I bothered to actually make an account here to beg for help. I've been getting an "access denied" error on some websites. First it was mouser, and I had to phone in an order. They claimed that there were no problems with the website, and no other customers were reporting issues at the time. Started researching the problem, and discovered various "fixes" seem to revolve around the various security and privacy settings. NONE of these alleged "fixes" actually work! Continued to research the problem, and still haven't found a solution that actually works. Next it was lowe's website, so can no longer comparison shop with them (at least they have plenty of competitors). Now, it's ups, and did not discover this until I just ordered a bunch of stuff and have almost a dozen packages to track! HELP! PLEASE! Mail theft is a HUGE problem in this area, and I need to know exactly when all these deliveries are arriving! Here's all my info, as best as I have it or know it: Linux OS FF was updated to v137, this was one of the first things done in attmpting to solve the problem when it first happened. Cookies, cache, history, etc are always cleared, I only go to one website at a time, and clear all this stuff out, close, and then reopen FF before I go to another website. Clearing this stuff out and then refreshing the page (a commonly mentioned "solution") doesn't work. Privacy and tracking protection was changed from "custom" (with everything checked), to "standard". "Do not track" was changed, and turned off (unchecked) "Website advertising preferences" was not changed from the unchecked setting, since none of the affected websites contain advertising. "Certificates / query OCSP responder servers" was left checked. "Don’t enable HTTPS-Only Mode" was left checked. "DNS over HTTPS" was changed from "max protection" to "default". "Use your default DNS resolver" was changed from unchecked to checked. "Play DRM-controlled content" was left unchecked. "No proxy" is checked in the "network settings".

Generally speaking, the various "solutions" proffered seem to involve turning off or minimizing any privacy protections. No one specific thing I've seen mentioned has solved the problem. And attempting to "open up" all of these settings hasn't worked at all. So, first, am I somehow missing something? Is there some privacy protection buried in the settings that I haven't been able to find and "open up"?

Secondly, WHY is this happening? (This question is being asked on a technical level, I'm trying to understand this and learn something here) In my understanding of attempting to research the problem, it is somehow something that some websites are doing to protect themselves against bots and DDOS attacks - OR (and?) - is a way of forcing tracking and datamining onto those who still attempt to cling to some notion of privacy. What exactly are these websites doing, that causes this error with FF, but not other browsers? Why does this error occur with FF, and not other browsers?

Right now, the urgent need is being able to track these deliveries so that hundreds and hundreds of dollars worth of merchandise and supplies don't get stolen! Somebody, PLEASE HELP! TIA!

Asked by none 1 week ago

Last reply by 404 1 week ago

Mozilla Firefox APT repository returning 400

I'm unable to update Mozilla Firefox using apt due to the following error: E: Failed to fetch https://packages.mozilla.org/apt/dists/mozilla/main/binary-amd64/Packages … (read more)

I'm unable to update Mozilla Firefox using apt due to the following error:

E: Failed to fetch https://packages.mozilla.org/apt/dists/mozilla/main/binary-amd64/Packages 400 Bad Request [IP: 34.160.78.70 443]

While troubleshooting, I found that the request does return the package list, but with a 400 Bad Request status, which causes apt to fail.

Asked by Omar Elshopky 1 week ago

constant errors with Bell internet/email resulting in huge delays

Two days in a row I have not been able to get into my e-mail due to an error relating to the sign in to Bell services : webmail.bell.net. PR_CONNECT_RESET_ERROR come… (read more)

Two days in a row I have not been able to get into my e-mail due to an error relating to the sign in to Bell services : webmail.bell.net. PR_CONNECT_RESET_ERROR comes up every time. A Bell employee managed to get it sorted briefly yesterday by resetting my password for this Bell service, but despite having embedded that new password into the incantation to get into the site supposedly, the error is happening again today! They cannot get back to me in less than 24 hours (and it may be 48) so my tax returns are definitely going to be late this year..... added to the usual problems of staff unable to speak comprehensible English, frustration is making me feel quite ill. Browser is Firefox and operating system Windows 11

Asked by Ali 1 week ago

Last reply by jscher2000 - Support Volunteer 1 week ago

Unable to connect Firefox can’t establish a connection to the server at 127.0.0.1:4349.

Trying to print UPS labels and I get the error message: Unable to connect Firefox can’t establish a connection to the server at 127.0.0.1:4349. Printer worked on 4/24/… (read more)

Trying to print UPS labels and I get the error message: Unable to connect

Firefox can’t establish a connection to the server at 127.0.0.1:4349.

Printer worked on 4/24/2025

Asked by Sigma 1 week ago

Firefox on Steam Deck Login Problem

I installed Firefox on a new steam deck. The device comes with an icon to download and install the browser. steam''' I get a 500 error when I try to log in. The login pa… (read more)

I installed Firefox on a new steam deck. The device comes with an icon to download and install the browser. steam''' I get a 500 error when I try to log in. The login page never appears.

Asked by pianoforty 2 weeks ago

Unable to log in to Mail. Secure Connection Failed An error occurred during a connection to oidc.idp.clogin.att.com. PR_END_OF_FILE_ERROR Error code: PR_END_OF_FILE_ERROR

Secure Connection Failed An error occurred during a connection to oidc.idp.clogin.att.com. PR_END_OF_FILE_ERROR Error code: PR_END_OF_FILE_ERROR … (read more)

Secure Connection Failed

An error occurred during a connection to oidc.idp.clogin.att.com. PR_END_OF_FILE_ERROR

Error code: PR_END_OF_FILE_ERROR

Asked by hstick 2 weeks ago