webitnow

the theme check is just an example plugin. the same happens to all plugins and images

For the plugin installation:
Αποτυχία εγκατάστασης:  {“success”:true,”data”:{“install”:”plugin”,”slug”:”theme-check”,”pluginName”:”Theme Check”,”debug”:[“\u039b\u03ae\u03c8\u03b7 \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf\u03c5 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc https:\/\/downloads.wordpress.org\/plugin\/theme-check.20160523.1.zip…”,”\u0391\u03c0\u03bf\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf\u03c5\u2026″,”\u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u2026″,”\u03a4\u03bf \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03bf \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ce\u03c2.”,”\u039c\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7. \u039a\u03b1\u03b8\u03ae\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03bb\u03af\u03b3\u03b1 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1 \u03b8\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2.”,”\u039c\u03b5\u03c4\u03b1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc https:\/\/downloads.wordpress.org\/translation\/plugin\/theme-check\/20160523.1\/de_DE.zip…”,”\u0391\u03c0\u03bf\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2\u2026″,”\u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1\u03c2 \u03ad\u03ba\u03b4\u03bf\u03c3\u03b7\u03c2\u2026″,”\u0397 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ce\u03c2.”,”\u039c\u03b5\u03c4\u03b1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc https:\/\/downloads.wordpress.org\/translation\/plugin\/theme-check\/20160523.1\/it_IT.zip…”,”\u0391\u03c0\u03bf\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2\u2026″,”\u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1\u03c2 \u03ad\u03ba\u03b4\u03bf\u03c3\u03b7\u03c2\u2026″,”\u0397 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ce\u03c2.”,”\u039c\u03b5\u03c4\u03b1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc https:\/\/downloads.wordpress.org\/translation\/plugin\/theme-check\/20160523.1\/ja.zip…”,”\u0391\u03c0\u03bf\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2\u2026″,”\u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1\u03c2 \u03ad\u03ba\u03b4\u03bf\u03c3\u03b7\u03c2\u2026″,”\u0397 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ce\u03c2.”,”\u039c\u03b5\u03c4\u03b1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc https:\/\/downloads.wordpress.org\/translation\/plugin\/theme-check\/20150818.1\/ru_RU.zip…”,”\u0391\u03c0\u03bf\u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7\u03c2\u2026″,”\u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1\u03c2 \u03ad\u03ba\u03b4\u03bf\u03c3\u03b7\u03c2\u2026″,”\u0397 \u03bc\u03b5\u03c4\u03ac\u03c6\u03c1\u03b1\u03c3\u03b7 \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ce\u03c2.”],”activateUrl”:”http:\/\/www.thebarbershop.gr\/wp-admin\/plugins.php?_wpnonce=84e03323aa&action=activate&plugin=theme-check\/theme-check.php”}}

for the image upload it is just a declation of error in uploading