Ease of Access is a utility in the Control Panel that allows users to adjust various accessibility settings on Windows, such as the on-screen keyboard, magnifier, narrator, high contrast, etc. The on-screen keyboard can be turned on by going to Ease of Access > Keyboard and toggling the switch to On12. Alternatively, the on-screen keyboard can be opened by pressing Windows + Ctrl + O keys or by typing osk.exe in the Run dialog box3.
References: 1 Use the On-Screen Keyboard (OSK) to
type(https://support.microsoft.com/en-us/windows/use-the-on-screen-keyboard-osk-to-type-ecbb5e08-5b4e-d8c8 to Enable or Disable the On-Screen Keyboard in Windows 10 - Lifewire(https://www.lifewire.com/enable-or-disable-on-screen-keyboard-in-windows-10-5180667)3 On-Screen Keyboard Settings, Tips and Tricks in Windows
11/10(https://www.thewindowsclub.com/windows-onscreen-keyboard).

The next step that the technician should do before taking the computer off site for repair is to get authorization from the manager. Getting authorization from the manager is important because it ensures that the technician has permission and approval to remove the computer from the premises and perform the repair work off site.
Getting authorization from the manager can also help document and communicate the reason and duration of the repair and avoid any misunderstanding or conflict with the user or the organization. Removing the HDD and then sending the computer for repair may not be feasible or necessary if the issue is not related to the HDD or if the HDD contains essential data or software for the repair. Checking corporate policies for guidance may be a good step but it does not replace getting authorization from the manager who is responsible for the computer and its data. Deleting the sensitive information before the computer leaves the building may not be possible or advisable if the issue prevents access to the data or if the data is needed for troubleshooting or recovery purposes. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 5.1

Explanation
The most likely cause of the intermittent crashes is that the proprietary software is incompatible, outdated, or corrupted. Reinstalling and updating the software can fix these issues and ensure the software runs smoothly.
Reimaging the computer or replacing the system RAM are too drastic and unnecessary steps. Decreasing the page file size can worsen the low memory problem and affect the performance of other applications.

Explanation
Malware is software that infects computer systems to damage, disable or exploit the computer or network for various malicious purposes5. Malware is typically distributed via email attachments, fake internet ads, infected applications or websites, and often relies on user interaction to execute6. Therefore, one of the most effective ways to prevent malware infections is to educate the end user about the common signs and sources of malware, and how to avoid them7. Configuring the firewall, restoring the system from backups, and updating the antivirus program are also important security measures, but they do not address the root cause of the user's repeated infections, which is likely due to a lack of awareness or caution.
References5: Malware: what it is, how it works, and how to stop it - Norton6: How to Prevent Malware: 15 Best Practices for Malware Prevention7: 10 Security Tips for How to Prevent Malware Infections - Netwrix

* A. Device drivers23: Device drivers are software components that enable the operating system to communicate with hardware devices. Different devices may require different drivers, so the desktop engineer should include the appropriate drivers in the master image or configure the deployment process
* to install them automatically.
* C. Installed application license keys2: Installed application license keys are codes that activate or authenticate software applications. Some applications may require license keys to be entered during installation or after deployment. The desktop engineer should include the license keys in the master image or configure the deployment process to apply them automatically.