Goto URL opera://settings/startPage. You'll see a suggestions option that you can disable (among other things).

Goto the URL opera://flags/#search-in-open-tabs, disable the flag, and restart Opera.

Test this solution. Remove the Opera Safe Store password from Keychain Access login item.

Steps:

Open Keychain Access application

Choose 'login' keychain on left

Choose 'Password' group

Find 'Opera Safe Storage' entry, right click it and choose Delete.

You can goto https://addons.opera.com/en/wallpapers/?tag=animated and install one of the animated wallpapers. Then, in Opera, goto the URL opera://about and take note of the "profile" path. Then, close Opera and look in the "themes" folder in the profile folder.

You'll see the folder for the wallpaper you installed. In it, you can see how to create your own. You then just zip up your persona.ini file with the webm file and thumbnail and you 'll have your custom wallpaper.

Things you can try:

Goto the URL opera://about and take note of the "profile" path. Then, close Opera and delete the WidevineCDM folder in the profile folder.

Then, start Opera, goto the URL opera://components, click "update" for Widevine, let it update, and restart Opera.

Then, start Opera and goto https://html5test.com/ and make sure it shows "yes" for h.264 support and "yes" for aac support.

Once that's good, goto https://bitmovin.com/demos/drm, make sure it says "Using Widevine" above the video and "Widevine" for EME below the video, and "video/mp4; codecs="avc1.42c00d" for MSE below the video. And, make sure the video plays and you can hear its audio.

Then, goto the URL opera://settings/siteData, type spotify.com in the search-cookies field and choose "remove all shown".

Then, goto https://open.spotify.com/ in a new tab, log in, and try to play some music.

If you still have problems, goto the URL opera://flags/#reduce-user-agent, enable the flag, restart Opera, and try again.

If you still have problems, goto the URL opera://settings/system, disable hardware acceleration, restart Opera, and try again.

If you still have problems, goto the URL opera://extensions, disable all your extensions, and restart Opera.

If you still ahve problems, make sure you're not using Opera's VPN, and try turning off Opera's Adblocking and tracking protection.

If you still have problems, try all of the above with a standalone installation.

You can also goto the URL opera://settings/content/protectedContent, and make sure "Sites can play protected content" and "Sites can use identifiers to play protected content" are set with no sites in the custom behaviors list.

In the Opera program files directory, right-click on launcher.exe to create a new shortcut and place it on your desktop. Then, on the desktop, rename it what you want. Then, right-click on the shortcut, goto properties and then the "shortcut" tab. On that tab, modify the target to add the --user-data-dir command-line switch.

For example:

"C:\Program Files (X86)\Opera\launcher.exe" "--user-data-dir=C:\Users\yourusername\Opera2"

(I personally have a "My Program Files" folder in "C:\Users\myusername", so I'd use "C:\Users\myusername\My Program Files\Opera2" for example.)

You can create as many shortcuts as you want with each using a different profile folder.

See http://peter.sh/experiments/chromium-command-line-switches/#user-data-dir for more info.

Log into https://gemini.google.com/app in a tab.

Then, enable the "Custom user sites for browser sidebar" flag at the URL opera://flags/#sidebar-site-panel, restart Opera, click the 3 dots at the bottom of the sidebar, scroll down to Custom Site Panels and add https://gemini.google.com/app.

As an alternative for now, note that you can enable the "Custom user sites for browser sidebar" flag at the URL opera://flags/#sidebar-site-panel, restart Opera, click the 3 dots at the bottom of the sidebar, scroll down to "Custom Site Panels" and add the URL for the web app you want (https://bsky.app/ for example).

You can't customize the icon for it in the sidebar and you can change its position, but it's something for now.

If you have any trouble logging in to the site in the sidebar, you can log in via a regular tab first and then reload the sidebar.

Goto the URL opera://about and take note of the "profile" path. Close down Opera and delete the WidevineCDM folder in the profile folder. Then, start Opera, goto opera://components and try updating Widevine again.

You might want to make sure opera://flags/#new-component-update-mechanism is disabled too. It should be by default, but check that URL just in case.

Are you talking about the start page button that's missing on the left side of the address bar in Opera One builds?

Goto the URL opera://settings/enhancedAddressBar, disable "promoted suggestions" and restart Opera to see if it helps.

At the URL opera://settings/profiles, if you click the 3 dots to the right of the profile and choose "create shortcuts", do you get a desktop shortcut that works fine at least?

At the URL opera://settings/profiles, if you click on the profile's name to launch it, do you get the right profile then?

Same if you click the menu button at the top left of Opera, go down to "Profiles" and click the specific profile?

Are you on Windows 10? If so, is it 21H2 or 22H2?

Are you on Windows 11? If so, is it 23H2, 24H2 or 25H2?

Or, are you on macOS?

See https://www.reddit.com/r/operabrowser/wiki/opera/known_issues/#wiki_slow_download_speeds for some testing to do and some things to try.

Filed DNA-124434 for this. Hopefully someone can check it out.

Okay. I tried with Popup My Bookmarks.

I went to arstechnica.com, clicked the heart and bookmarked the page to "other bookmarks" in Opera.

I then clicked the Popup My Bookmarks extension icon and went to "other bookmarks".

Result: The Ars Technica bookmark is there, but it's missing its favicon to the left.

Examining the chrome-extension://mppflflkbbafeopeoeigkbbdjdbeifni/popup.html page, for the extension, when it tries to load the favicon for that bookmark via the URL:

chrome-extension://mppflflkbbafeopeoeigkbbdjdbeifni/_favicon/?pageUrl=https%3A%2F%2Farstechnica.com%2F&size=32

, the console shows:

_favicon/?pageUrl=https%3A%2F%2Farstechnica.com%2F&size=32:1  GET chrome-extension://mppflflkbbafeopeoeigkbbdjdbeifni/_favicon/?pageUrl=https%3A%2F%2Farstechnica.com%2F&size=32 net::ERR_FAILED
Image
lY @ common.js:9
e @ common.js:9
(anonymous) @ common.js:9
sL @ common.js:9
sS @ common.js:9
S @ common.js:33
P @ common.js:33

So, there's an error fetching the image for some reason in Opera. Works fine in Chrome.

With chrome-extension://mppflflkbbafeopeoeigkbbdjdbeifni/js/common.js, I can jump to the lines in it from the console error links, but I'm not really seeing the cause of the error. I'll have to file a bug to have someone check it out.

The Github page for the extension is at https://github.com/foray1010/Popup-my-Bookmarks and an issue could be filed there. But, I think it might be on Opera's end, especially since other extensions are affected.

So https://chromewebstore.google.com/detail/popup-my-bookmarks/mppflflkbbafeopeoeigkbbdjdbeifni, https://chromewebstore.google.com/detail/bookmarkie-bookmarks-in-p/ahlphbdcaacfhkiajebghpngknafklbj and https://chromewebstore.google.com/detail/quick-bookmarks-menu/fkemipdcgbeknabedhecepcebhlnlhbf?

@Hay-mars-01 Thanks for the clarification.

If this happens to you again, it's probably due to having Early Bird turned on in settings and having a split screen tab open while closing Opera (or while disabling Early Bird and then closing Opera).

See the known issues at https://blogs.opera.com/desktop/2026/02/opera-127-stable/.

See https://forums.opera.com/post/396926.