If the TRUST pop up doesn’t appear on th device:
Search the computer for:
AppData\Apple Computer\MobileSync\
and rename the Backup folder to Backup.old
Search the computer for:
ProgramData\Apple
and rename the Lockdown folder to Lockdown.old and create a new folder named Lockdown.
Try installing the attached vcredist_x64 and vcredist_x86 on the computer.
vcredist_x86.exe (6.2 MB)
vcredist_x64.exe (6.86 MB)