3CXusername
Free User
- Joined
- Jul 31, 2014
- Messages
- 186
- Reaction score
- 16
Windows Server 2008 R2 x64. All Windows updates applied.
Attempting upgrade from v14 sp3 to v15 sp4. Uninstalled v14 components and on v15 install getting this:
Any ideas?
thanks in advance
- Tried KB3004394 as well as enabling "Allow software to run or install even if the signature is invalid".
- Tried downloading multiple 3CX sp4 installers all same outcome.
Attempting upgrade from v14 sp3 to v15 sp4. Uninstalled v14 components and on v15 install getting this:
Any ideas?
thanks in advance