Fonts appearing stretched in adobe reader but appears fine on another pc in adobe reader

[#1]

Hi,

Any ideas why this might be the case? It's only occuring in various pdf files. Please see below for an example of the stretched text and what it is supposed to appear.

stretched font:

font displaying correctly on another pc with adobe reader:

[#2]

Hi,

Any ideas why this might be the case? It's only occuring in various pdf files. Please see below for an example of the stretched text and what it is supposed to appear.

stretched font:

font displaying correctly on another pc with adobe reader: