Vista and tethering

Hi i am new here and have reached the end of my tether excuse the pun, for about 2 months no i have been tethering my nokia 5600 xm throught my pc running xp home sp3 with no real problems (the dl speed is low but thats another matter) recently i updated to vista ultimate and since then ive been having a wierd problem where the connection will drop out completely and me browser will say cannot open site etc. but one touch access (the program for connecting through the nokia) says i am still connected and i have to disconnect and reconnect, only 5-10 minutes later the same thing will happen, i can only assume this to be a fault with vista as my os is the only thing i have changed and up until then i was using my phone to play world of warcraft and to download games from steam (thank you all you can eat data from 3 ) nokia customer services are useless and microsoft, well... if anyone can help me i will love you forever!! Thanks in advance, Ryan.

 

thanks but that was the first thing i tried i tried nokia pc suite and nokia suite on nokia support staff advice the funny thing is i might just be bieng dense but i cant find ovi suite anywhere on there site so ive not tried that yet.

 

thanks i did already try that but the problem seems to have resolved itself somewhat as the connection hasn't dropped out at all for a while to be fair i think i was asking a lot of a 3.5g connection it just seemed so bizzare that i had no problem until i installed vista as i say i downloaded the entire world of warcraft client and played quite a bit through it on xp.