missing dll files!

[at whits end!!!]

these all cameup as missing files
htmlclr.dll
scrdbg.dll
textmgr.dll
importclient.dll
vfmamx.ax
srcedit.dll
filesvc.dll
comwin.dll
clrsch.dll
C\PROGRA~1\CITRIX\ICACLI~1\WFICA.OCX
Any help to repair these would be greatly appreciated..
because I cannot install any critical updates. they will
download then freeze on install..
(e-mail address removed)

 

[Guest]

I am missing dll files, how do I recover these files? Help!!!!!!!