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Latest Troubleshooting Guides

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Troubleshooting

Install PowerShell 7 on Windows 10 Step by Step

You want to run the latest PowerShell 7 on Windows 10, but the built-in Windows PowerShell 5.1 is...

Troubleshooting

Fix PowerShell Port Already Allocated Permission Denied

When running a PowerShell script that listens on a TCP port, you might see errors like port...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Access Denied Error on Startup
                                
If you see 'Windows Defender failed to start access denied' when you open Windows Security or aft...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix BitLocker Network Unlock Certificate Error
                                
You configured BitLocker Network Unlock on your Windows client, but during startup you see an err...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Install Command Line Tools Without Internet Access
                                
You're setting up a machine with no internet, or you're on a restricted network. You need command...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Security Center Not Opening
                                
When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...



        
            
                
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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.