![Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it. Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.](https://gyorgybalassy.files.wordpress.com/2020/10/arduino-serial-port-in-device-manager.png)
Can't open device "\\.\COM4": Access is denied error when uploading a sketch from Arduino IDE | I learned it. I share it.
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![windows 10 - Please help me to get access to c: Drive because I messed up the permissions - Super User windows 10 - Please help me to get access to c: Drive because I messed up the permissions - Super User](https://i.stack.imgur.com/PH4vm.png)
windows 10 - Please help me to get access to c: Drive because I messed up the permissions - Super User
![100% SOLVED] Access is denied | Cant open Access Control Editor | Drive Block | Call +919015367522 - YouTube 100% SOLVED] Access is denied | Cant open Access Control Editor | Drive Block | Call +919015367522 - YouTube](https://i.ytimg.com/vi/4sKq4E-_keQ/hqdefault.jpg)
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![Not have sufficient permissions (either disk or registry) to install MBytes - Resolved Malware Removal Logs - Malwarebytes Forums Not have sufficient permissions (either disk or registry) to install MBytes - Resolved Malware Removal Logs - Malwarebytes Forums](https://content.invisioncic.com/Mmalware/monthly_2020_12/Screenshot_4.jpg.390d730abe012cbd01058e7af9cdb927.jpg)
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![Solved] Access is denied C drive not accessible | Cant open access control editor | Call 9015367522 - YouTube Solved] Access is denied C drive not accessible | Cant open access control editor | Call 9015367522 - YouTube](https://i.ytimg.com/vi/KVrKeYh_URU/maxresdefault.jpg)