Errors in geography
Ruger manufactured a .22 pistol whose overall silhouette (especially the hand grip) were inspired by the Luger, but did not use the Luger's distinctive toggle bold mechanism. The file photos shown in the CIA meeting @ about time line 16:13 are definitely that of a Luger.
Luger pistols were manufactured in 7.65mm (.30) and 9mm (.354) caliber. A few in .45 caliber were specially made for U.S. Army evaluation before WWI.
This is addressed in one of the deleted scenes which can be viewed on the DVD. When she walks into the internet café, she actually does receive assistance from an employee in how to use the computer.