1.  Get the DBA install CD.
 
2.  Go to the Cleanup folder on the CD and install the clean utility on your machine.
 
3.  Uninstall the Pervasive client from your machine using Start>Settings>Control Panel>Add/Remove Programs. Answer No to the various prompts about removing registry entries and such.
 
4.  Run the clean-up utility and fully clean your machine.
 
5.  Assumably you have a mapped drive to the PVSW directory (Pervasive) on your server. Re-install the Pervasive client.
 
6. Re-install the DBA client from the server.
 
7.  Go to UT-A and run "MDBFXREG" and make sure the path it brings up points to the mapped drive for DBA on the server.

If you are running in a true client/server set-up (not a peer-to-peer) than there should be a folder on the server called PVSW. That is the server install of Pervasive. You must have a drive letter mapped from the client workstation to that folder and have appropriate rights to it (usually the Everyone group).
 
Under that folder is a folder called Clients and then a folder called Win. There is a Setup.exe file in there that you would browse to from the client and this will install the Pervasive client on the workstation.
 
Then under DBAMFG on the server (again you should have a mapped drive to this), there is a Workstation Setyp folder with a Setup.exe file. Once you have successfully installed and tested the Pervasive client, then you run this which puts in some registry settings and allows you to run DBA from the client.