No it is not recommended. Try using a - or an _ instead.

Try Recuva. It's from the same people who make CCleaner.

Do you have any Thunderbird extensions installed?

If you are using Windows, there is also a Windows sound which plays when a message arrives. You should be able to turn that off in the Windows Control Panel.

There is very little chance you will be able to remove the woman's voice from the track if it is on the same track as the audio you want.

This sounds like a problem with your hard drive. Sometimes what happens is if the computer is unable to boot from the hard drive it will try another way to boot. In this case it is trying to boot...

What exactly is the problem?

portableapps.com

Unless you saved the installers that you originally installed the programs with and the codes to unlock them, it will be VERY difficult if not impossible to transfer the software from one computer to...

Perhaps your office IT department has not permitted attachments from the outside? Just a guess.

I don't quite understand the problem. Although, the issue might be due to the web not supporting the same color combinations that PowerPoint can handle.

It's not included on the "Filmbestand (mpeg)" line?

See the above post. Download K-Lite Codec Pack and you should be OK. WMP should use the available DVD decoder provided by the Codec pack when you try to play the DVD.

If you do a Google search for "free file recovery software" you will be able to find some free software offerings which do just that. I had to recover some files from a hard disk and was able to find...