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Troubleshooting

Fix Windows Security DNS Error Not Working

If Windows Security shows a DNS error or stops working, it's often due to network configuration, ...

Troubleshooting

Fix 'PowerShell Not Recognized as Internal or External Command'

If you see the error 'powershell' is not recognized as an internal or external command


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix High CPU Usage by MsMpEng.exe (Windows Defender)
                                
If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Microsoft Store 404 Not Found Error
                                
Seeing a 404 Not Found error when opening the Microsoft Store is frustrating, but it's often fixa...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix OneDrive Sync Paused on Windows 11
                                
If your OneDrive shows "Sync paused" on Windows 11, files stop updating and you may see a paused ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fixing 'Connection Refused' in Command Prompt Due to Firewall
                                
If you see a 'connection refused' message in Command Prompt when trying to connect to a remote se...



        
            
                
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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.