How to Remove Duplicate title tags & meta descriptions VB4

[Emad ELsayed]

welcome everybody
I have this big problem with duplicate meta tags

Pages with duplicate meta descriptions

/vb/showthread.php?t=80609&page=2
/vb/showthread.php?t=80609
---
/vb/forumdisplay.php?f=3&page=16
/vb/forumdisplay.php?f=3&page=5
---
/vb/showthread.php?t=127665&styleid=1
/vb/showthread.php?t=127665

And Pages with duplicate title tags

/vb/showthread.php?t=98349&styleid=2
/vb/showthread.php?t=98349
---
/vb/showthread.php?t=159681&p=449351&styleid=2
/vb/showthread.php?t=159681
---
/vb/showthread.php?t=138775&styleid=2
/vb/showthread.php?t=138775

I hope you help me
Best Regards