Asp.net FCKEditor 2.6.3 you are not authorized to upload files. solution:

Open the solution,
Find the FileBrowser/FileWorkerBase. cs File
Copy codeThe Code is as follows:
Response. write (@ "(function () {var d = document. domain; while (true) {try {var a000000000000top.opener.doc ument. domain; break;} catch (e) {}; d = d. replace (/. *? (? :\. | $)/, ''); If (d. length = 0) break; try {document. domain = d ;}catch (e) {break ;}}})();");
Response. write (@ "(function () {var d = document. domain; while (true) {try {var a000000000000top.opener.doc ument. domain; break;} catch (e) {}; d = d. replace (/. *? (? :\. | $)/, ''); If (d. length = 0) break; try {document. domain = d ;}catch (e) {break ;}}})();");

Modify:
Copy codeThe Code is as follows:
Response. write (@ "(function () {var d = document. domain; while (true) {try {var a000000000000top.opener.doc ument. domain; break;} catch (e) {}; d = d. replace (/. *? (? : \. | $)/, ''); If (d. length = 0) break ;}})();");
Response. write (@ "(function () {var d = document. domain; while (true) {try {var a000000000000top.opener.doc ument. domain; break;} catch (e) {}; d = d. replace (/. *? (? : \. | $)/, ''); If (d. length = 0) break ;}})();");

Compile and copy the DLL file to overwrite the file in the BIN directory of your website.