Developer and IT

Fix ERR_TOO_MANY_REDIRECTS by deleting the site’s cookies in Chrome or Edge, then check WordPress URLs, Cloudflare SSL mode and IIS redirects if you run the site.

Object reference not set to an instance of an object in Visual Studio? Find the null variable with the debugger, fix it in code, or repair the IDE itself.

Fix ERR_CONNECTION_CLOSED in Chrome: check the site and router, clear cookies, turn off extensions, VPN and proxy, flush DNS, reset TCP/IP and reset Chrome.

Add the FastCGI module to IIS by turning on the CGI feature in Windows features or Server Manager, then map *.php to FastCgiModule. Setup, testing and fixes.

Enable or disable cookies in Google Chrome from Settings > Privacy and security. Steps for desktop, Android and iPhone, per-site exceptions and fixes.

Update Java on Windows 11 from the Java Control Panel with Update Now, or install the latest JDK. Check your version, set JAVA_HOME and fix common errors.

Clear cache in Google Chrome on Windows 11 with Ctrl + Shift + Delete, or hard refresh one page with Shift + F5. Site-only clearing, DevTools and fixes.

Install VirtualBox Guest Additions on a Windows 11 VM: insert the Guest Additions CD image, run the installer, reboot, then turn on clipboard and shared folders.

Fix NET::ERR_CERT_COMMON_NAME_INVALID by checking the address, signing in to public Wi-Fi, and, for site owners, reissuing a certificate that lists every domain.

Visual Studio Professional vs Enterprise: prices, Enterprise-only tools like IntelliTrace and Live Unit Testing, support, Azure credit and who needs which.

Local Group Policy Editor (gpedit.msc) is not in Windows 11 Home. Upgrade to Pro to enable it, or set policies in the registry. Steps, risks and fixes inside.

Install Python on Windows 11 using cmd with one winget command, or run the python.org installer silently. Verify it, set up a venv, fix PATH and uninstall.