I right click on the R executable and select "Run as administrator" to install new packages or update R.
From: R-SIG-Finance <[hidden email]> On Behalf Of Baki UNAL via R-SIG-Finance
Sent: Monday, October 29, 2018 7:51 AM
To: R-sig-finance <[hidden email]>
Subject: [R-SIG-Finance] Problem when installing quantmod package