Blog
Practical articles from KomuraSoft LLC about website development, SEO, Google Ads, Windows development, legacy asset reuse, and bug investigation.
AI search across this site
Search queries are sent to Cloudflare AI Search to generate results. Please do not enter personal information.
-
Why Is RDP Sluggish on a Fast Connection? — Separating Input, Rendering, and the Network
The speed test is fast, yet Remote Desktop input and scrolling lag. This explains why, from round trips and graphics transfer to symptom comparisons and coun...
-
The Network Works but Windows Says "No internet" — Isolating NCSI, DNS, Proxy, and VPN on Windows
Why Windows says "No internet" while the network works, starting from the NCSI verdict. Isolate DNS, proxy, VPN, and captive portals with read-only checks an...
-
Why Does ‘1 Second Remaining’ Take So Long? — How Progress Bars and Time Estimates Work
Learn why a task stays at one second remaining, stalls at 99%, or keeps preparing. Separate progress units, speed estimates, final steps, and UI updates, the...
-
Why a Windows File Share Works Sometimes and Fails at Other Times — Troubleshooting Kerberos, NTLM, and Credentials
Diagnose intermittent Windows file-share access using symptoms and logs. Check names versus IP addresses, app-only failures, blank passwords, error 1219, res...
-
Disk at 100%: What Do You Actually Have to Stop? — Telling SysMain, Windows Search, and Defender Apart
Isolate Windows 100% disk usage by throughput, response time, and files. Pause SysMain safely, narrow Windows Search, and analyze Defender without disabling it.
-
Same 1 GB, Yet a Photo Folder Copies Slower Than a Single Video — Why?
Why same-size data copies at different speeds on Windows: file count, SSD and NAS latency, ZIP bundling, a create-transfer-extract comparison, and robocopy.
-
What Is Windows' Hardware-Accelerated GPU Scheduling? — Does Turning It On Make Your PC Faster?
An illustrated, non-technical guide to Windows' hardware-accelerated GPU scheduling (HAGS): how it works, when to turn it on or off, why the setting may be m...
-
The Order of Name Resolution on Windows — hosts, the DNS Cache, LLMNR/mDNS, and DoH
Whether hosts, the DNS cache, the DNS server, or LLMNR/mDNS answered decides why some PCs fail. Learn the Windows name resolution order, what DoH changes, an...
-
Does Turning Off Memory Integrity (HVCI) Make Windows Faster? — What It Means, How to Do It, and How to Decide
Does turning off Memory integrity (HVCI) really speed up a Windows PC? When it can help, when it cannot, how to switch it off and back, and how to decide.
-
What Fast Startup Really Does — Why a Windows 'Shutdown' Is Not the Same as a Restart
A Windows shutdown is a hybrid shutdown by default, saving the kernel and drivers to hiberfil.sys. Why only a restart resets them, and when to turn Fast Star...