I can no longer log in to websites?

I just deleted some browser data, search history, cookies, etc. On my laptop because I just do it every now and then. Then I saw that you can set it to delete this data automatically after each session and just switched it on because I thought it would never save the search history and cookies.

Unfortunately, I have had a little problem since then… I can no longer log in to websites with my access data using my laptop, for example, also to my good question profile, if I enter my data and go to 'Login', the data is simply again path. I changed the setting again but it still doesn't work, I tried to log on to other platforms, but it just didn't work.

Maybe I changed some attitude or something by mistake, but I don't know about it and have no idea what it could be and how I can get it back…

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Thanks, that's exactly it😅