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[pau]

disturbing my work\'\'\'help me to solve

[terry]

If you only can't open a few web pages, this may not be your problem, the web server may be unavailable. If you can't open any web page, please check your internet connect, and you can try 1stAid to fix the problem.
 

[J.P]

Yes, use the section with green checked in 1stAid