![]() ![]() Defragment the registry and optimize the PC’s performance However, some stubborn issues will need another scan and cleaning procedure to be applied. Of course, once the scanning process ends, there's the option to solve all the problems which in our test worked really fast. Items it looks for and removesĪ simple scan can make the app have a look into the registry and clean the files that slow down the computer, be they unnecessary settings, software paths or remnants that were not removed from the registry after some programs were uninstalled. One of those might be Wise Registry Cleaner as it is designed to optimize your computer's performance by erasing unnecessary files. That's the reason why the Nightly/Beta Builds are not affected, and also the reason why we did not detect this problem earlier.Keeping the computer perfectly fit is not at all a difficult job if you are using the right tools. ![]() Please note that the problem that caused the Arduino IDE to break from the bad package index file has already been fixed and will be in the next release of the IDE. You will need to configure your file browser software to show hidden folders in order to see them. Remove folder /home/YourUsername/.arduino15/cache Remove file /home/YourUsername/.arduino15/package_index.json Remove folder /Users/YourUsername/Library/Arduino15/cache Remove file /Users/YourUsername/Library/Arduino15/package_index.json Remove folder C:\Users\YourUsername\Documents\ArduinoData\cache Remove file C:\Users\YourUsername\Documents\ArduinoData\package_index.json Remove folder C:\Users\YourUsername\AppData\Local\Arduino15\cache Remove file C:\Users\YourUsername\AppData\Local\Arduino15\package_index.json Now the package_index.json file has been fixed, but to recover the Arduino IDE to a working condition you must delete the bad package_index.json from your computer as well as the cache folder, then restart the Arduino IDE as usual. There was a problem with Arduino's package_index.json file used for Boards Manager that caused the NullPointerException error and prevented the IDE from starting. These are the instructions to fix the issue: It's also completely unnecessary to reinstall the Arduino IDE. It's not necessary to delete the entire Arduino15 folder. Poof.Īt this point, I am unsure how to troubleshoot.Īny help would be greeeeeeaaaatttlllyyyy appreciated. Tried to run Arduino in compatibility mode for Windows XP SP 3. I set all accesses to the subfolder to full access, and selected to run Arduino as an admin. So then I thought maybe it was an admin issue. I created the subfolder at the location, and pasted the 3 files from the Arduino subfolder dist (library_index.json, package_index.json, package_). Java.io.FileNotFoundException: C:\Users\AppData\Local\Arduino15\package_index.json (Access is denied)Īt java.io.FileOutputStream.open0(Native method)Īt java.io.FileOutputStream.open(FileOutputStream.java:270)Īt java.io.FileOutputStream.(FileOutputStream.java:213)Īt java.io.FileOutputStream.(FileOutputStream.java:162)Īt .copyFile(FileUtils.java:46)Īt (BaseNoGui.java:580)Īt (BSe.java:222)Īt (Base.java:135)Īfter researching and searching, it seems the subfolder Arduino15 is missing from the local directory on my computer at the above specified location. The launcher box would appear, "initializing packages", then disappear. It opened, ran, i did the intro with blinking lights. I installed the Arduino software in January 2016 (unsure as to version, whatever was standard). The odd this is that I have installed this very same installation module on my lap-top (running Windows 7 Ultimate 32-bit) - it worked just fine. Why is it looking in C:\Users\nick\AppData\Roaming\Arduino15packages\arduino\hardware\avr\1.6.2. ![]() There is an obvious statement " Could not find boards.txt ". Is it pre-1.5?Īt .(LegacyTargetPlatform.java:67)Īt cc.(ContributedTargetPlatform.java:43)Īt cc.createTargetPackages(ContributionsIndexer.java:307)Īt (BaseNoGui.java:777)Īt (BaseNoGui.java:615)Īt (Base.java:215)Īt (Base.java:128) : Could not find boards.txt in C:\Users\nick\AppData\Roaming\Arduino15\packages\arduino\hardware\avr\1.6.2. Processor: AMD Athlon Dual Core Processor 4450B 2.3GHz Thank goodness that I'm not the only one experiencing the same problem. ![]()
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