Installing new ssl certificate not working

[anddrej]

Hello,
last year i installed ssl certificate to my server and all worked. Now i need to install new one...after year and i added, but when visiting page old certiciface is used and as its not valid anymore...i got this: net::ERR_CERT_DATE_INVALID.
I wanted to delete old one but there is no options...only new installed certificate can be deleted. What to do? This is webpage: https://www.cassettedeck-service.com

https://e.pcloud.link/publink/show?code=XZY3AxZTH6xd0xkg4Vv5PD5Yokt4zLPVoOk

Any information will be helpful.

[Horizon]

Hello,
Your website's SSL certificate looks fine for me when I visit your website.

Its certificate currently ends in November 2025 and has serial number 00b63e9bb465f17ba1f450d3743a8ac3bc

You might have to manually browse your web browser's profile folder:
- Firefox: %APPDATA%\Mozilla\Firefox\Profiles\<random>.default\
- Chrome: %LOCALAPPDATA%\Google\Chrome\User Data\Default\
- Chromium: %LOCALAPPDATA%\Chromium\User Data\Default\
- Edge: %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\

Delete files whose filename contain:
- 'TransportSecurity'
- 'HSTS Cache'
- 'SiteSecurityPreferences'

Otherwise it remembers your old SSL cert & that its date must be the old one, same serial number & public key.

Also make sure your server doesn't send HSTS headers with expiry longer than your own SSL certificate's (1 year) if you send HSTS headers

[admin]

anddrej,

Your site and its certificate look fine right now.

When you declare a new certificate, it won't replace the older one automatically.

You'll have to edit the host which uses the old certificate and point it to use the new certificate.

After doing so, you'll be able to delete the old certificate since it is no more referenced.
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