I am getting ADODB.Connection error '800a0e7a' Provider can't be foundIt may not be properly installed. at line 26 PLease advise me on this issue.

<%@ Language=VBScript %>

Response.Expires = 0
Response.Buffer = TRUE

'Load a file from disk
Dim FilePath
Dim ActionID
Dim strCheck
dim conn
dim rs1
dim counter
dim equal
Dim FileExt, FileSize

Response.ContentType = "image\gif"
response.ContentType ="image\pdf"
response.ContentType ="image\tif"
'Response.ContentType = "application/octet-stream"
ActionID= Request.QueryString("URL")
counter = Request.QueryString("Counter")

Set conn = Server.CreateObject("ADODB.Connection")
conn.Open "UID=SBFileStream;PWD=cat$web123;DSN=catsWebdataSource_FileStream" -- getting error
strSQL = "select fileattachmentsid,blob,filename,filelength from FILEATTACHMENTS_MEDIUM where LOGNUMBER = "&ActionID& " and COUNTER="&counter
' response.Write(strSQL)
set rs1 = conn.execute(strSQL)
Do while not rs1.eof
equal = rs1(1)
filename =rs1(2)
filelength =rs1(3)
FileExt = mid(FileExt, instrrev(FileName,".") + 1)
Response.AddHeader "Connection", "keep-alive"
' Response.AddHeader "Content-Length", filelength
If IsInline = True then
'Allow the browser to render the file inside a browser window (if it can)
Response.AddHeader "Content-Disposition","inline; filename=" & FileName
'Force browser to save file
Response.AddHeader "Content-Disposition","attachment; filename=""" & FileName & """"
End If