Missing opst_ui.dll error solution for Windows

Please read the instructions carefully before you download the opst_ui.dll.Take the proper steps to safely clean and repair windows errors.

1. Where should this file go? After you download opst_ui.dll on your machine, paste it in directory where it missing, and also copy it to

Windows 95, 98, ME C:\Windows\System
Windows NT, 2000 C:\WinNT\System32
Windows XP, Vista, 7, 8 C:\Windows\System32
64-bit Windows C:\Windows\System64

If you can't find windows directory try:
a. Press and hold Windows key on your keyboard, then press button R.
b. Enter the command "cmd" and press Enter
c. In a command window enter the command "set systemroot" and press Enter. It will display system directory.
2. Go to "start" ==> "run" and type "regsvr32 opst_ui.dll" to register the file to the system.

File Information
  • Nameopst_ui.dll (opst_ui.dl_)
  • CategoryOperating System > dll
  • DescriptionAgnitum Outpost Firewall Pro
    Copyright (C) 1999-2003 Agnitum Ltd.
  • Filenameopst_ui.zip
  • Filesize408.8 kB
  • Filetypezip (Mime Type: application/zip)
  • Rating 4.7 / 5 , 0 rating
  • MD5: aabd7ac4f25b45fab567d666dfe15414
  • SHA1: 25fe36ebd30dc988c014b5b0e138f2f8cb01e680
  • SHA265: $5$rounds=5000$dlldownloadsyste$jLBBKplNHdFaiLwEzdq0GBPxXEJXPbN3tAHMy1kour3

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All possible solutions

Got computer error message like:

"opst_ui.dll crash"
"bad image"
"error loading"
"opst_ui.dll was not found"
"the procedure entry point opst_ui.dll error"
"opst_ui.dll could not be located"
"Access Violation"
"Cannot register opst_ui.dll"

at startup or shutdown or run program?
No "missing dll" anymore - Repair dll errors - How to fix windows dll corrupt on your windows xp,vista,2000/2003,win7, win8,win10

  • Download and install opst_ui.dll.
  • Download and install the latest update.
  • Install windows updates automatically/regularly, allow Windows check updates in the background.
  • Reinstall the application.