kmail account not going online

Hi all,

Though Kmail used to work fine previously, but due to unknown issue, Kmail beacame very very slow in loading emails.
Following link: https://forums.opensuse.org/showthread.php/540638-Kmail-slow-to-read-folders-after-update-to-15-2?p=2939478#post2939478
I followed steps as per in above link, but now kmail stopped coming online. It keeps saying repeatedly that Account is offilne, clck to be online, but never comes online.
Please help, as I like features of Kmail.
How can I speed up kmail emails fetch and solve this offline problem ?
Thanks

Hi All,

I have dual boot system, I booted into windows, and later rebooted to opensuse leap, As of now everything is working fine, and the problem is solved. Thanks for your time.