I had this problem when I first got my BB 3 weeks ago. I also installed Reqwirelss and got the message about the missing IPPP service book.
Firstly are you on a corporate BES Network? If so, you need to speak with your IT department regarding enabling MDS on your BES which will give you the service book. Once I synched up my BB with my work computer I got IPPP service book.
If you are not on a BES, you should be able to log into your BWC and re-send the service books to your handheld. It doesn't matter even if you are on a BES, just log into your BWC (or create your account) and re-send the service books.
T-Mobile BWC link
https://webclient.blackberry.net/Web...w.jsp?site=tmo
Keep in mind if you are on a BES, your IT policy might not allow it. My IT policy does not allow me to install any third party software so installing Reqwireless corrupted my Policy files on my BB and removed my browser. Only after I re-synched everything did I get my browser back.