I too am encountering this error. It happens regardless of whether I try to Open RRO via the GUI, terminal, or RStudio. We did have a somewhat recent system update that I held off on updating as long as I could for this very reason but ultimately per user group policy.
Log Name: Application
Source: Application Error
Date: 1/7/2016 9:32:45 AM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer:
Description:
Faulting application name: Rgui.exe, version: 3.22.3517.0, time stamp: 0x55e786ba
Faulting module name: ntdll.dll, version: 6.1.7601.23223, time stamp: 0x56098323
Exception code: 0xc0000005
Fault offset: 0x0000000000038a7d
Faulting process id: 0x2804
Faulting application start time: 0x01d149584591f354
Faulting application path: C:\Program Files\RRO\R-3.2.2\bin\x64\Rgui.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: 842489fb-b54b-11e5-8e1f-cc3d821eccfa
Event Xml:
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2016-01-07T14:32:45.000000000Z" />
<EventRecordID>14149</EventRecordID>
<Channel>Application</Channel>
<Computer></Computer>
<Security />
</System>
<EventData>
<Data>Rgui.exe</Data>
<Data>3.22.3517.0</Data>
<Data>55e786ba</Data>
<Data>ntdll.dll</Data>
<Data>6.1.7601.23223</Data>
<Data>56098323</Data>
<Data>c0000005</Data>
<Data>0000000000038a7d</Data>
<Data>2804</Data>
<Data>01d149584591f354</Data>
<Data>C:\Program Files\RRO\R-3.2.2\bin\x64\Rgui.exe</Data>
<Data>C:\WINDOWS\SYSTEM32\ntdll.dll</Data>
<Data>842489fb-b54b-11e5-8e1f-cc3d821eccfa</Data>
</EventData>
</Event>