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Latest Troubleshooting Guides

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Troubleshooting

Fix 'Access Denied' Error in Windows Update on Windows 10

When you try to run Windows Update on Windows 10 and get an 'Access Denied' message, it usually m...

Troubleshooting

How to Fix SQLite Database Is Locked Error

You try to write to an SQLite database and get SQLITE_BUSY or database is lock...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Run Windows Defender Offline Scan to Remove Stubborn Malware
                                
If your PC is acting sluggish, showing pop-ups, or Windows Defender keeps finding threats it can'...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix OneDrive Sync Pending on Shared Folders
                                
You open OneDrive and see “Sync pending” on a shared folder. Files aren’t downloading or uploadin...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Remote Desktop Connection Not Working
                                
You try to connect to a remote PC but get an error, a black screen, or nothing happens. This is c...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Windows Security DNS Error 0x800704cf
                                
You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...



        
            
                
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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.