• Windows10Performance

Preventing Poor Performance on Windows 10 and Windows 11

Configuring the Windows Firewall to Consider Your DXLab Applications to be Safe

1. start the Windows Control Panel

2. in the Windows Firewall section, click the Allow an app through Windows Firewall link

3. in the Allow an app through Windows Firewall window,

   1. click the Change Settings button

   2. locate each of your DXLab applications in the Allowed apps and features list, and check the Private and Public boxes to its right; if one of your DXLab applications is not present,

      1. click the Change Settings button

      2. click the Allow another app... button, and use the Browse button in the Add an app window that appears to select the filename of DXLab application in question

   3. click the OK button at the bottom of the window

Preventing Windows 10 and Windows 11 from Automatically Installing Updates and Restarting your System

• See this article

• If you have the Professional edition of Windows 10, use the Group Policy to prevent automatic updates and reboots

Disabling Cortana

On versions of Windows 10 prior to 1511 (OS Build 10586.0), a defect in Microsoft's Cortana personal assistant causes DXLab applications to run slowly and prevents them from interoperating. You can avoid this by disabling Cortana and then restarting Windows 10:

1. start Cortana

   1. open the Start Menu by clicking the Windows Start button in the lower-left corner of your screen

   2. in the Start Menu window that appears, click the All Apps icon

   3. in the list of applications that appears along the left side of the window, click the entry for Cortana

2. in the Start typing to search for apps, files, and settings window, click the gear-shaped settings icon along the left side of the window; Cortana's Settings window will appear.

3. in Cortana's Settings window, set the Cortana can give you suggestions, ideas, reminders, alerts, and more slider to the Off position (to the left)

4. terminate and restart Windows 10 or Windows 11

A discussion of more aggressive techniques for disable and removing Cortana can be found here

Preventing Windows 10 or Windows 11 from Using Your PC to Update Other PCs

1. open the Start Menu by clicking the Windows Start button in the lower-left corner of your screen

2. in the Start Menu window that appears, click the Settings icon

3. in the SETTINGS window, click the Update & security icon

4. in the UPDATE & SECURITY window, select Windows Update in the list along the window's left border, and then click the Advanced options link in the main pane

5. in the ADVANCED OPTIONS window, click the Choose how updates are delivered link

6. in the CHOOSE HOW UPDATES ARE DELIVERED window, set the Updates from more than one place slider to the Off position (to the left)

Error 8020: Error reading comm device

• Error 8020: Error reading comm device on Windows 10 or Windows 11

Post a question or suggestion on the DXLab Discussion Group

Running DXLab applications on Windows 7, Windows 8, or Windows 10

Installing DXLab Applications

Getting Started with DXLab