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  • there is an extension called 'Pro Book' and i cant completely remove it. it starts when i start my browser
    also it blocks all out of other extensions

  • So, when you open your extensions page (Ctrl+Shift+E) and click the X in the upper right of the box around that extensions, it doesn't uninstall? There is no extension with that name in the Opera store so I'm guessing its Malware. Give Malwarebytes and AdwCleaner a run and see if they pick it up.

  • Dont you go to c:/user/(your-name)/appdata/roaming/opera software/opera stable/ extensions/ [then delete the folder that has id of Pro Book or the strange id - to see the id of ext, go to opera://extesions/ and turn develop mode]

  • thanks for advices. i am currently giving Malwarebytes scan and lots of threats found including which i was asking about

  • Lots of results? Sorry to hear that. After Malwarebytes finishes cleaning give AdwCleaner a go and maybe try Spybot Search & Destory also.

  • actually Malwarebytes couldnt solve the problem. i deleted threats with using that program but still facing with that extension stuff
    i am now trying to give Spybot as your advices. also i would share the results. thanks from now

  • If that doesn't work, try AdwCleaner. Some of these programs (eg: Malwarebytes, AdwCleaner) have their own special areas of expertise in rooting out adware, and they don't fully duplicate each other.

    Also, examine the shortcuts you use to start your browser(s). Look at their command lines (right-click the shortcut > Properties > Target box) to see if anything has been added to the trailing end of the normal command that should start the browser. If there is, delete that extra material (usually a URL) added by the adware.

    Finally, realize that if Malwarebytes indeed found "lots of threats", you may be dealing with a badly infected system, including rootkits and self-hiding viruses. Certain of these things invite all their friends to come join them on your computer, and the more trash that is on the system, the more the chance for a truly deep infection. If that turns out to be the case, you may need to ask for "guru" help at a reputable malware-removal website (like Wilders, Malwarebytes, DSLR, etc) in order to do all the things necessary to dig out whatever is going on.