How to fix error 27848 / 2738 at Cisco VPN installation


Sometimes (even with new machines) there are problems at the client’s installation, for example:

Error 27848: Deterministic Network Enhancer installation requires a reboot first, to free locked resources.

After that the installation process is rewinded back and canceled. To fix it, open the command prompt as administrator (Right click on cmd then choose Run as Administrator). Type those commands and press Enter:

cd %systemroot%system32

regsvr32 /u dneinobj.dll

If Vista complains about regsrv32, then maybe the program is not on the system path. You must use absolute path:

C:\Windows\system32\regsvr32 /u C:\Windows\system32\dneinobj.dll

For error 2738

Internal Error 2738

follow the same procedure as above, just replace the command regsvr32 /u dneinobj.dll with

C:\Windows\system32\regsvr32 C:\Windows\system32\vbscript.dll

Update: regsrv32 should be regsvr32, my mistake :-P

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  • Tommy Raun

    It is not regsrv32 but regsvr32. But thanks for the info.

  • Eugene Roukchan

    Worked perfectly. Many Thanks. Eugene.
    PS. regsrv32 supposed to be regsvr32

  • Lamnk

    Thank you, fixed the mistake.

  • Jacques Gonsoulin

    Thank you so much for the solution to this issue, i have been fighting with it for hours and this made it work perfectly

  • RM

    awesome! it worked

  • Anuradha

    It is not working in our environment, some of the users are still facing the same error…

  • Kris

    You rock! thanks

  • Kiran

    Anuradha – were you able to get this resolved? I am running into the same issue and following these steps is not helping me. This is on Win7