I've also seen this exception thrown when I can no longer enter and load URLs:
Error: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIFileOutputStream.init]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: file:///Users/stephend/Desktop/Shiretoko/Shiretoko.app/Contents/MacOS/components/nsSessionStore.js :: sss_writeFile :: line 2127" data: no] Source File: file:///Users/stephend/Desktop/Shiretoko/Shiretoko.app/Contents/MacOS/components/nsSessionStore.js Line: 2127
I've also seen this exception thrown when I can no longer enter and load URLs:
Error: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIFileOutputS tream.init] " nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: file:// /Users/ stephend/ Desktop/ Shiretoko/ Shiretoko. app/Contents/ MacOS/component s/nsSessionStor e.js :: sss_writeFile :: line 2127" data: no] /Users/ stephend/ Desktop/ Shiretoko/ Shiretoko. app/Contents/ MacOS/component s/nsSessionStor e.js
Source File: file://
Line: 2127