1. Does your Ctrl key work with any other key combo ?
2. Ctrl+A tends to do a block copy of everything.
If the application is blocking everything - I remove a shitty program.
If AV / Firewall - blocks - I remove shitty program. Installs other good applications that do not conflict, not cause problems.
If anything I test and does not fulfill expect, I am looking for other good tools that will work properly.
Russian tool-managers have everything need and above all works