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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Security DNS Error Permission Denied

You may see a 'permission denied' error when Windows Security tries to access DNS settings. This ...

Troubleshooting

Fix Command Prompt Not Recognizing Commands

You type a command in Command Prompt and get '...' is not recognized as an internal or exte...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Windows Update Error 0x80070002 on Ubuntu: Fix Guide
                                
If you're running Windows in a virtual machine on Ubuntu and getting update error 0x80070002, it ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Task Scheduler Not Starting After Windows Update: How to Fix
                                
After a Windows update, the Task Scheduler service may fail to start, either immediately or on su...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Task Scheduler Service Unavailable Permission Denied
                                
When you open Task Scheduler and see 'Service unavailable' or 'Permission denied', the Task Sched...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Windows Update Invalid Configuration via Clean Boot
                                
If Windows Update fails with an error like 0x800f0922 or 0x8024402c, it...



        
            
                
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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.