Ubuntu
aptitude package

  1. Bug #1543280
  2. Comment #10

Comment 10 for bug 1543280

Revision history for this message
Puspendu Banerjee (puspendu-banerjee) wrote : Re: apt-get fails withCan't drop privileges for downloading as file + couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)

In line with @markhor change permission of corresponding .deb file[s] and re-run the install procedure.