Yes, you can save the diagnostic tools to a flash drive and transfer them to the desktop on the infected PC. You can also save the logs to the flash drive so you can post them using another computer.
Please follow the instructions in ==>This Guide<==
starting at step 6.
Once the proper logs are created, then make a NEW TOPIC
and post it ==>HERE<==
Since you have run ComboFix, please include the ComboFix log in the new topic. Please be sure to include a description of your computer issues and what you have done to try to resolve them.
If you cannot produce any of the other logs, then please create the new topic anyway, include the information that you were unable to produce the other logs and why and include the ComboFix log along with a description of your computer issues.