JavaScript Files showing some errors.

Hi
I have installed SuiteCRM on my windows server but It’s showing some javascript and ajax errors frequently. I think these files are core files of the CRM but why this showing errors.

Due to this I could not open my accounts detail view page. It shows some ajax errors.

Most of the errors are popping from the sugar_grp1.js. I have replaced the file and checked, then it work for a while and again it displaying the errors.

Please help me to fix this problem

Thanks

Have you tried resetting your permissions? Then run Quick Repair and Rebuild and reset permissions again.

Additionally make sure that your permissions default values are correctly set in config.php

Yes I did all that. But still it showing the same error and pop up. I think this was caused because I created a module in studio and the I deployed it, After deploying only this happened but I have tried uninstall the modules and deleting the package from the studio but still the prom exists.