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Latest Troubleshooting Guides

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Troubleshooting

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

Troubleshooting

Fix 'python' Not Recognized in Command Prompt

You type python in Command Prompt and get 'python' is not recognized as an int...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Update Stuck at 100% Not Finishing
                                
You wait for a Windows update to finish, the progress bar hits 100%, and then nothing happens for...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Check for Malware When Windows Activation Causes High CPU Usage
                                
If your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Chrome Bookmarks Not Migrating to New Computer: Fixes
                                
You set up your new computer, installed Chrome, and expected your bookmarks to appear—but they di...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Install an SSL Certificate in Chrome Manually
                                
You may need to manually install an SSL certificate in Chrome when testing a local development si...



        
            
                
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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.