Fatal error WP3.5.1 and IMC 1,6

I think that the Cairo library is not installed on your server.

Here is more info:
https://www.php.net/manual/en/cairo.setup.php

It’s actually the missing Exif library that’s causing this error.
As stated here, you need to configure your PHP with --enable-exif.

I try to upload an image and also get a fatal error:

Call to undefined function exif_read_data() in C:\wamp\www\wordpress\wp-content\plugins\image-metadata-cruncher\image-metadata-cruncher.php on line 218
Call Stack
# Time Memory Function Location
1 0.0011 293416 {main}( ) ..\async-upload.php:0
2 0.1884 20471360 media_handle_upload( ) ..\async-upload.php:82
3 0.1885 20473688 wp_handle_upload( ) ..\media.php:213
4 0.1885 20474824 apply_filters( ) ..\file.php:217
5 0.1885 20476216 call_user_func_array ( ) ..\plugin.php:199
6 0.1885 20476248 Image_Metadata_Cruncher->wp_handle_upload_prefilter( ) ..\plugin.php:199
7 0.1885 20476296 Image_Metadata_Cruncher->get_meta_by_path( ) ..\image-metadata-cruncher.php:90

Sorry, I am a rookie in php:
Should I open theses files? php_mbstring.dll and php_exif.dll DLL’s in php.ini – and how?
And do what?

Sorry for asking: Do you know any alternative IPTC crunchers?