Hi. I installed tab groups addon on my firefox 28.0 (firefox portable version) and each group has its tabs. of course. Problem is that Firefox crashes when i work on a group with the tabs and even can not save all tabs in archive as MAFF recently too. When i try to save all tabs in archive as... i choose the name and hit save and wait but after some time this crashes too. Last time i saved all my tabs and groups as MAFF or other file was end of april and since then i can not save them anymore because of the crashing. I read on the help site to delete Firefox then reinstall ect. to fix problems but I DO NOT want to erase my groups with their tabs as i chose this solution working with group tabs as it would be to hard on my cpu when i use for each group a different browser for example. Please help me fix this problem with the crashes but without loosing my groups and its tabs as they are all important and do not wish to erase them as i use them all. Thanks and hope for a soon reply :)