# V12.4 Install issues

**URL:** https://resource.dopus.com/t/v12-4-install-issues/25350
**Category:** Help & Support
**Created:** [March 28, 2017, 5:44pm UTC](https://resource.dopus.com/t/v12-4-install-issues/25350 "2017-03-28T17:44:00Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Leo](https://resource.dopus.com/user_avatar/resource.dopus.com/leo/32/69732_2.png) [@Leo](https://resource.dopus.com/u/Leo)
#### Post date: [March 28, 2017, 6:12pm UTC](https://resource.dopus.com/t/v12-4-install-issues/25350/2 "2017-03-28T18:12:18Z")

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Do you get an error message or anything like that? If so, what does it say?

Be sure to reboot at the end of the update install, if it prompts you to, as the new files will not all be in place until after a reboot.

Please check the installer was fully downloaded, as shown here:

> [@How to check for a corrupted installer or main program](https://resource.dopus.com/t/how-to-check-for-a-corrupted-installer-or-main-program/8660):
>
> Digital signatures The Directory Opus installer, as well as components of Directory Opus itself, are digitally signed by GPSoftware. Digital signatures allow you to verify that the files you have downloaded or installed are intact and unmodified. T…

If the installer is OK, we have seen some antivirus block writing new exe/dll files that are not well known to them yet, which could be the problem.

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_[View the full topic](https://resource.dopus.com/t/v12-4-install-issues/25350)._