help--how to install both delphi 2 and c++Builder 1.0 on one PC

After I install C++Builder after I have installed delphi 2, all my
delphi-made programs can't be executed, and shown "BDE error...."

both my delphi 2 and C++Builder are Client/Server version.

please......heeeeeeelllllllllpppppp      meeeeeeeeeeee....

thannnnnnnnnnnnnnnnnnnnnnnnks.  :-)