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Latest Troubleshooting Guides

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Troubleshooting

How to Fix Outlook High CPU Usage Caused by Add-ins

If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...

Troubleshooting

Fix Windows Security Path Not Found Error

When you try to open Windows Security (formerly Windows Defender Security Center) and see a messa...

Troubleshooting

Fix 'Connection Refused' Error on localhost in CMD

When you run a command like curl http://localhost:8080 or telnet localhost 330...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Missing After Update
                                
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Remote Desktop Port Conflict After Windows Update
                                
After a Windows update, you might see an error like "Another process is already listening on port...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                PowerShell Not Working After Windows Update: How to Fix
                                
After a Windows update, PowerShell may fail to launch or run commands. Common symptoms include a ...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.