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microsoft store command not found permission denied windows security file locked error code 0x80070020 windows defender service permission denied fix windows security path not found reset security settings windows defender real-time protection log location windows 11 windows defender 502 bad gateway sync issue fix command prompt version mismatch error windows search access denied after update

Latest Troubleshooting Guides

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Troubleshooting

How to Unlock a File Locked by Chrome Browser

You try to rename, move, or delete a file, but Windows says it's open in Chrome. Even after closi...

Troubleshooting

Fix 'Invalid Configuration Permission Denied' in Command Prompt

When you run a command in Command Prompt and see invalid configuration permission denied


                    
                    
                        
                            
                            
                                Troubleshooting
                                Windows Terminal Configuration File: Location and Backup Guide
                                
Windows Terminal stores its settings in a JSON file. If you customize profiles, key bindings, or ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Chrome Error 0xc0000022: App Won't Launch
                                
If Chrome shows error 0xc0000022 and won't start, it usually means the system blocked the applica...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Terminal Proxy Error: Connection Refused or Cannot Reach Proxy
                                
When Windows Terminal fails to connect through a proxy, you may see errors like "Cannot reach pro...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Remote Desktop Blank Screen on Mac
                                
You connect to a remote Mac via Remote Desktop, but the screen stays black or blank. This is a co...



        
            
                
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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.