Home » Kerio User Forums » Kerio Connect » KOC 8.5.3 install - Win7 x64, Office 2013 CTR x86, Error 28103

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I'm attempting to install KOFF 8.5.3 on a Win7 x64 PC with Office 2013 (Home & Business, Click-to-run version) x86, but each time I try to install, I get error 28103 (attached).

Not only have I opened Outlook and created a blank profile as the error message suggests (I've never had to do this before to get KOC installed), I've also clean uninstalled Office, tried several builds:

- 15.0.4823.1004 (currently installed, stable on most of our PCs).
- 15.0.4420.something (originally installed on this PC)
- 15.0.4833.1001 (which is buggy in its own right)

I've also attempted KOFF 8.4.1 with the same error message

This is one of two machines where I've seen this problem, I haven't been able to resolve it as yet on either one. We've got at least another 30 or 40 without issues.

Any ideas?

[Updated on: Fri, 01 July 2016 00:59]

Pavel Dostal (Kerio)

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Inability to install KOFF on supported system/Outlook is a bug, so I recommend to ask Kerio Tech Support for an assistance. They will help you to gather install logs with more information, so Kerio devel can analyze them.

Pavel Dostal
Kerio Technologies
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