Laptop unable to open Slack
4.5
Slack won't open or shows a blank window on launch.
Symptoms
- Blank window
- App crash
- No response
Possible Causes
- Corrupt cache
- Network block
- Hardware acceleration bug
Step-by-Step Fix
1
Clear Slack Cache
Go to Help > Troubleshooting > Clear Cache and Restart (if possible).
2
Reset App Data
Delete the "Slack" folder in %AppData%.
3
Check Proxy Settings
Slack can fail if your system is using a broken proxy.
When to See a Technician
Slack is another Electron app; if it's blank, try clearing the cache manually in AppData.
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