Xperia lounge could not install error

[Sujeesh]

I tried repairing the phone using pc companion but that didn't help. My phone(Xperia z c6602) is unrooted, has locked bootloader and is still under the warranty period.I was ashore to use Xperia lounge two days back but notre I'm uncle to access it. Please help

[Uliwooly · Accepted solution]

Settings > apps > all > xperia lounge > clear cache > uninstall updates > check again 

[Sujeesh]

Thank you... Problem solved.... One more thing, I'm sitting just beside my wireless modem but my phone's reception is poor, Is it a hardware problem? 

[Uliwooly]

That's odd check this thread

http://talk.sonymobile.com/t5/FAQ/Wi-Fi-problems/m-p/348104#U348104