Latest CCleaner Version Released

Web Compat:

The purpose of the Web Compat system add-on for Firefox - gHacks Tech News

Allows fixes for webite compatibility issues without needing to wait for a,new version of Firefox.

Web Compat Reporter:

Identifies issues on sites that you are browsing and reports the issue to Mozilla.

Personally I keep the first one but not the second one.

@Pulcinella

May be of interest to you based on your reasons for using another browser that you've mentioned in another thread.
Stop telemetry

Although it shouldn't really be discussed in this thread. Will check back tomorrow.

I personally wouldn't worry about them.

You can right click on any area in the browser extensions list, and and save to a text file.

Then you can research those online.

If you're concerned about malware, you should be doing regular malware scans with tools such as these -

Emsisoft Emergency Kit -

Emsisoft | Emergency Kit: Free Portable Malware Scan and Removal

Malwarebytes -

https://www.malwarebytes.com/mwb-download/

Hitman Pro -

HitmanPro Malware Removal and Exploit Prevention in Real-Time

Pulcinella said:

Agreed. BTW CC cannot remove those FF extensions I mentioned, only disable but they come back with each new FF restart.

This should remove them:

Latest CCleaner Version Released

If they still come back start another thread on how to remove them.

They added to the release notes:

Errata

Some unfinished improvements to the CCleaner Privacy Settings were included in this version in error.
This will be reverted in a patch build and released when ready in a later version of CCleaner.
Your existing privacy preferences have not been affected.

Another words, "Screw your privacy, You will get ads still in the near future, bwahahahahaha!"