Can't upgrade a SQL Express to SQL Standard

I have a 64 bit SQL Server 2008 Express R2 installed and I cannot upgrade it to a fully licensed 2014 Standard. When I try to update to SP 4, I get this issue:

If I try to run the upgrade edition, notice there is no "Instance Select" option for me to select my instance:

However, I am able to connect and run to the database, and get the properties:

So my question is, I'm able to use the existing SQL express instance, but I cannot upgrade the service pack or upgrade the edition. I'm at a loss here. Any thoughts? Below is the summary of the install log:

```
Overall summary:
Final result: Passed
Exit code (Decimal): 0
Start time: 2015-08-11 12:12:19
End time: 2015-08-11 12:19:27
Requested action: EditionUpgrade

Machine Properties:
Machine name: xxxxxxxx
Machine processor count: 8
OS version: Windows 8
OS service pack:
OS region: United States
OS language: English (United States)
OS architecture: x64
Process architecture: 64 Bit
OS clustered: No

Product features discovered:
Product Instance Instance ID Feature Language Edition Version Clustered Configured
SQL Server 2008 R2 xxxxDBSERVER MSSQL10_50.xxxxxBSERVER Database Engine Services 1033 Express Edition 10.50.1600.1 No Yes
SQL Server 2008 R2 Management Tools - Basic 1033 Express Edition 10.50.1600.1 No Yes

Package properties:
Description: Microsoft SQL Server 2014
ProductName: SQL Server 2014
Type: RTM
Version:

Your problem is you are trying to install Service Pack 4 for SQL Server 2008 (the original release, not R2) on a SQL Server 2008 R2 instance.

Despite the similar names, SQL Server 2008 and SQL Server 2008 R2 are different releases, with different Service Packs.

Apply the correct Service Pack for SQL Server 2008 R2 (the latest is SQL Server 2008 R2 Service Pack 3), then you should be able to upgrade to 2014 Standard with no problem.

StackExchange Database Administrators Q#110717, answer score: 6