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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Defender Token Expired After Update

After a Windows update, you might see an error that Windows Defender's security token has expired...

Troubleshooting

Fix PostgreSQL Connection Refused Due to Firewall

When you see psql: error: connection to server at "host" (IP), port 5432 failed: Connection...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Microsoft Teams High CPU Usage
                                
If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common complaint...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Find the Windows Activation Log File
                                
If you're having trouble activating Windows or just want to verify your licensing status, the act...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Activation slmgr Permission Denied Error
                                
When you try to activate Windows using the Software License Manager (slmgr) command-line tool, yo...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Terminal DNS Lookup Failed Errors
                                
When you see a "DNS lookup failed" error in Windows Terminal, it usually means the terminal can't...



        
            
                
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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.