User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.1) Gecko/20020826 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.1) Gecko/20020826 In my inbox folder I created a subfolder called 'SURF / SARA'. When I want to move a message to this folder, the following error pop up: 'The messages could not be moved or copied to folder 'SURF / SARA' because writing to folder failed. To Gain diskspace, from the file menu, first choose empty trash, and then choose compact folders, and the try again.' If I want to delete the folder: a confirmation pop up appears, Click 'ok' and the folders isn't deleted. When I want to rename the folder a error pop up appears: 'The folder could not be renamed. Perhaps the folder is being reparsed, or the new name is not a valid folder name.' I also created a folder called 'm / m' the same problem occurs... Reproducible: Always Steps to Reproduce: 1. create a folder SURF / SARA in the inbox 2. try to delete / rename it or copy messages to this folder 3. Actual Results: 1. The folder appeared as a subfolder in the inbox 2. couldn't delete / rename it or copy messages to it Expected Results: delete / rename or copy messages to it

There are a lot of reports like this by and by... a quick search turns up bug 131013, bug 120559, bug 140212, bug 142464, bug 168595

*** This bug has been marked as a duplicate of 140212 ***

MARKING VERIFIED AS A DUPLICATE