please help me.i can't add new library

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hi
i'm starting use arduino,i have installed ide 1.8.5 on win 10 while want add  new library manage library (for example sx1272 library) after download finish show's below error:
invalid library found in c:\users\computer-name\documents\ arduino\libraries\arduino_799995
i can't add library! neither online nor ofline
i attached screen shot @ post.
thank reading.

it's not clear you're attempting accomplish. there no library named sx1272 in library manager index. there couple of libraries mention sx1272 in descriptions, shown in screenshot:
http://forum.arduino.cc/index.php?action=dlattach;topic=518251.0;attach=238111
are trying install 1 of libraries or looking library named "sx1272"?

whenever open or close library manager scan of libraries if happen have invalid libraries in libraries folder display warning. it's not clear whether has desire install "sx1272" library or if it's unrelated warning that's acting red herring.


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