I've been a happy and enthusiastic CCleaner user for many years. Some time ago I switched to Windows 8.1, which comes with Internet Explorer 11 (the latest version as of today). I rarely use IE and actually avoid doing so, out of security concerns, but sometimes I'm forced to use it for various reasons, usually related to Web site compatibility (the same holds true for Firefox and Chrome - it seems at this moment it's no longer feasible to use only one browser for everything).
The problem is, when I run CCleaner (the usual cleanup on the main screen), it doesn't only delete cookies, Temporary Internet Files and such, as expected. IE is also reset to the default configuration and the next time I open IE, it shows me that window asking me whether I want to accept the default configuration or to customize it, as if I had just installed Windows and was using IE for the first time. All other parameters that I had previously changed in IE's settings are back to their default values, including security levels, home page, default search engine, active/inactive add-ons, and so on.
Of course, this is very annoying, because IE's complete configuration is a somewhat long and tedious process, and it's a nuisance to repeat it all over again every time I run CCleaner. This didn't happen when I used Windows 7 with IE 10, but I don't think it's a CCleaner bug, and this is why I didn't post this topic in the Bugs subforum. My guess is that it's just an unclear or mislabeled feature. I suppose that some checkbox in CCleaner is checked that shouldn't be, but I've read them all and couldn't find one that specifies "IE Configuration" or that would give me a clue to what I should uncheck. I've tried unchecking some more generic parameters, such as "Internet Explorer More" and "Internet Explorer 10/11", with no results.
My system has all current Windows Updates and I always keep CCleaner in the latest version (5.04.5151 as of today), but this has been happening for some time and I don't think the version is relevant. I also use CCenhancer, with periodical downloads of a new winapp2.ini followed by a trim, so my CCleaner parameter list is longer than usual. Still, I can't find any parameter that, from the description, would delete the browser's entire configuration.
So, what have I missed? Which parameter should I uncheck in CCleaner so that IE's configuration is kept?
Thank you very much.