Practical technology information for businesses throughout Chicago and the surrounding area. Explore our guides on computers, networks, cybersecurity, cloud services, data protection, and other technology that businesses depend on every day.
Two critical PHP vulnerabilities disclosed on October 21, 2026, could allow attackers to execute code on affected web servers. Learn why updating WordPress alone is not enough, how to check your PHP version, and what website owners should ask their hosting provider.
Read: What WordPress Website Owners Need to Do Now →
Your business can lose hours of productivity to repeated power outages. Learn how UPS battery backups protect computers, servers, network equipment, and unsaved work—and how to choose the right solution for your business.
Read: business-computer-ups-battery-backup →
Your phone may contain photos, messages, passwords, authentication apps, business data, and access to dozens of online accounts. Learn how to protect that information with better backups, device security, and a safer phone-replacement process
Read: Your Phone Contains More Than You Think →
Double-clicking a PDF and nothing happens? Adobe Acrobat may already be running but stuck in the background. Learn how to restart Acrobat, identify stuck processes in Windows Task Manager, check PDF file associations, repair Acrobat, and determine whether the problem is Acrobat or the PDF itself.
Read: Adobe Acrobat Won't Open PDF Files? →
Google is changing how Gmail works with email accounts hosted by other providers. Starting in January 2027, Gmail will discontinue third-party “Check mail from other accounts” POP fetching, Gmailify, and third-party “Send as” functionality. Businesses using Gmail to manage custom-domain email should review their configuration and plan a transition before the deadline.
Read: Google Gmail Third-Party Email Changes →
Cloud storage makes business data accessible from almost anywhere, but synchronization and cloud storage are not necessarily the same as backup. Learn how cloud storage, versioning, backup, and disaster recovery differ—and what businesses should consider when protecting important data.
Read: Cloud Storage Is Not Backup →
A slow or aging computer doesn't automatically need to be replaced. Learn how SSDs, memory upgrades, cooling problems, software maintenance, operating-system support, and hardware condition can help determine whether repairing, upgrading, or replacing a computer makes the most sense.
Read: Repair, Upgrade, or Replace? →
Slow Wi-Fi doesn't always mean you need faster Internet. Access-point placement, interference, building materials, cabling, network congestion, outdated equipment, and poor configuration can all affect wireless performance.
Read: Why Is My Business Wi-Fi Slow? →
Multi-factor authentication can prevent a stolen password from immediately becoming a compromised account—but not all MFA methods provide the same protection. Learn about authenticator apps, phishing, MFA fatigue, passkeys, security keys, and modern account protection.
Read: Can MFA Protect a Stolen Password? →
Both platforms provide professional email, cloud storage, collaboration, security, and productivity tools, but they approach business technology differently. Compare Outlook and Gmail, Office and Google Docs, OneDrive and Google Drive, Teams and Meet, administration, security, migration, and more.
Read: Microsoft 365 vs. Google Workspace →
Good technology decisions start with understanding how systems actually work.
Wireknots provides practical IT and digital solutions for Chicago-area businesses, including computer and server support, networking, cybersecurity, cloud services, data protection, web services, and digital technology.
Explore the articles above for practical explanations, troubleshooting information, and guidance for making better technology decisions.